spider 音标拼音: [sp'ɑɪdɚ]
n . 蜘蛛,设圈套者
蜘蛛,设圈套者
spider n 1 :
predatory arachnid with eight legs ,
two poison fangs ,
two feelers ,
and usually two silk -
spinning organs at the back end of the body ;
they spin silk to make cocoons for eggs or traps for prey 2 :
a computer program that prowls the internet looking for publicly accessible resources that can be added to a database ;
the database can then be searched with a search engine [
synonym : {
spider }, {
wanderer }]
3 :
a skillet made of cast iron Spider \
Spi "
der \,
n .[
OE .
spi [
thorn ]
re ,
fr .
AS .
spinnan to spin ;
--
so named from spinning its web ;
cf .
D .
spin a spider ,
G .
spinne ,
Sw .
spindel .
See {
Spin }.]
1 . (
Zool .)
Any one of numerous species of arachnids comprising the order Araneina .
Spiders have the mandibles converted into poison fangs ,
or falcers .
The abdomen is large and not segmented ,
with two or three pairs of spinnerets near the end ,
by means of which they spin threads of silk to form cocoons ,
or nests ,
to protect their eggs and young .
Many species spin also complex webs to entrap the insects upon which they prey .
The eyes are usually eight in number (
rarely six ),
and are situated on the back of the cephalothorax .
See Illust .
under {
Araneina }.
[
1913 Webster ]
Note :
Spiders are divided into two principal groups :
the Dipneumona ,
having two lungs :
and the Tetrapneumona ,
having four lungs .
See {
Mygale }.
The former group includes several tribes ;
as ,
the jumping spiders (
see {
Saltigradae }),
the wolf spiders ,
or {
Citigradae } (
see under {
Wolf }),
the crab spiders ,
or {
Laterigradae } (
see under {
Crab }),
the garden ,
or geometric ,
spiders ,
or {
Orbitellae } (
see under {
Geometrical },
and {
Garden }),
and others .
See {
Bird spider },
under {
Bird }, {
Grass spider },
under {
Grass }, {
House spider },
under {
House },
{
Silk spider },
under {
Silk }.
[
1913 Webster ]
2 . (
Zool .)
Any one of various other arachnids resembling the true spiders ,
especially certain mites ,
as the red spider (
see under {
Red }).
[
1913 Webster ]
3 .
An iron pan with a long handle ,
used as a kitchen utensil in frying food .
Originally ,
it had long legs ,
and was used over coals on the hearth .
[
1913 Webster ]
4 .
A trevet to support pans or pots over a fire .
[
1913 Webster ]
5 . (
Mach .)
A skeleton ,
or frame ,
having radiating arms or members ,
often connected by crosspieces ;
as ,
a casting forming the hub and spokes to which the rim of a fly wheel or large gear is bolted ;
the body of a piston head ;
a frame for strengthening a core or mold for a casting ,
etc .
[
1913 Webster ]
{
Spider ant }. (
Zool .)
Same as {
Solitary ant },
under {
Solitary }.
{
Spider crab } (
Zool .),
any one of numerous species of maioid crabs having a more or less triangular body and ten long legs .
Some of the species grow to great size ,
as the great Japanese spider crab ({
Macrocheira Kempferi }),
measuring sometimes more than fifteen feet across the legs when they are extended .
{
Spider fly } (
Zool .),
any one of numerous species of parasitic dipterous insects of the family {
Hippoboscidae }.
They are mostly destitute of wings ,
and live among the feathers of birds and the hair of bats .
Called also {
bird tick },
and {
bat tick }.
{
Spider hunter } (
Zool .),
any one of several species of East Indian sunbirds of the genus {
Arachnothera }.
{
Spider lines },
filaments of a spider '
s web crossing the field of vision in optical instruments ; --
used for determining the exact position of objects and making delicate measurements .
Fine wires ,
silk fibers ,
or lines on glass similarly placed ,
are called spider lines .
{
Spider mite }. (
Zool .)
(
a )
Any one of several species of parasitic mites of the genus {
Argas }
and allied genera .
See {
Argas }.
(
b )
Any one of numerous small mites injurious to plants .
{
Spider monkey } (
Zool .),
any one of numerous species of South American monkeys of the genus {
Ateles },
having very long legs and a long prehensile tail .
{
Spider orchis } (
Bot .),
a European orchidaceous plant ({
Ophrys aranifera }),
having flowers which resemble spiders .
{
Spider shell } (
Zool .),
any shell of the genus {
Pteroceras }.
See {
Pteroceras }.
[
1913 Webster ]
39 Moby Thesaurus words for "
spider ":
Chilopoda ,
Chordata ,
Echiuroidea ,
Ectoprocta ,
Entoprocta ,
Monoplacophora ,
Nemertinea ,
Phoronidea ,
arachnid ,
arthropod ,
beetle ,
bug ,
caterpillar ,
centipede ,
chilopod ,
daddy longlegs ,
diplopod ,
fly ,
harvestman ,
hexapod ,
insect ,
jenny ,
larva ,
maggot ,
millepede ,
millipede ,
mite ,
mule ,
nymph ,
scorpion ,
silkworm ,
skillet ,
spinner ,
spinning frame ,
spinning jenny ,
spinster ,
tarantula ,
throstle ,
tick (Or "robot ", "crawler ") A program that
automatically explores the {World -Wide Web } by retrieving a
document and recursively retrieving some or all the documents
that are referenced in it . This is in contrast with a normal
{web browser } operated by a human that doesn 't automatically
follow links other than {inline images } and {URL redirection }.
The {algorithm } used to pick which references to follow
strongly depends on the program 's purpose . {Index }-building
spiders usually retrieve a significant proportion of the
references . The other extreme is spiders that try to validate
the references in a set of documents ; these usually do not
retrieve any of the links apart from redirections .
The {standard for robot exclusion } is designed to avoid some
problems with spiders .
Early examples were {Lycos } and {WebCrawler }.
{Home
(http ://info .webcrawler .com /mak /projects /robots /robots .html )}.
(2001 -04 -30 )spider The Web -
walking part of a search engine that collects pages for indexing in the search engine '
s database .
Also called a bot .
The best -
known spider is Scooter ,
the web -
walker for the Alta Vista search engine .
Spider The trust of the hypocrite is compared to the spider '
s web or house (
Job 8 :
14 ).
It is said of the wicked by Isaiah that they "
weave the spider '
s web " (
59 :
5 ),
i .
e .,
their works and designs are ,
like the spider '
s web ,
vain and useless .
The Hebrew word here used is _ '
akkabish_ , "
a swift weaver ."
In Prov .
30 :
28 a different Hebrew word (
semamith )
is used .
It is rendered in the Vulgate by stellio ,
and in the Revised Version by "
lizard ."
It may ,
however ,
represent the spider ,
of which there are ,
it is said ,
about seven hundred species in Palestine .
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