silkworm 音标拼音: [s'ɪlkwɚm]
n . 蚕
蚕
silkworm n 1 :
the commercially bred hairless white caterpillar of the domestic silkworm moth which spins a cocoon that can be processed to yield silk fiber ;
the principal source of commercial silk 2 :
larva of a saturniid moth ;
spins a large amount of strong silk in constructing its cocoon [
synonym : {
silkworm }, {
giant silkworm }, {
wild wilkworm }]
Silkworm \
Silk "
worm `\,
n . [
AS .
seolcwyrm .] (
Zool .)
The larva of any one of numerous species of bombycid moths ,
which spins a large amount of strong silk in constructing its cocoon before changing to a pupa .
[
1913 Webster ]
Note :
The common species ({
Bombyx mori })
feeds on the leaves of the white mulberry tree .
It is native of China ,
but has long been introduced into other countries of Asia and Europe ,
and is reared on a large scale .
In America it is reared only to small extent .
The Ailanthus silkworm ({
Philosamia cynthia })
is a much larger species ,
of considerable importance ,
which has been introduced into Europe and America from China .
The most useful American species is the Polyphemus .
See {
Polyphemus }.
[
1913 Webster ]
{
Pernyi silkworm },
the larva of the Pernyi moth .
See {
Pernyi moth }.
{
Silkworm gut },
a substance prepared from the contents of the silk glands of silkworms and used in making lines for angling .
See {
Gut }.
{
Silkworm rot },
a disease of silkworms ;
muscardine .
[
1913 Webster ]
Caterpillar \
Cat "
er *
pil `
lar \,
n . [
OE .
catyrpel ,
corrupted fr .
OF .
chatepelouse ,
or cate pelue ,
fr .
chate ,
F .
chatte ,
she -
cat ,
fem .
of chat ,
L .
catus L .
pilosus hairy ,
or F .
pelu hairy ,
fr .
L .
pilus hair .
See {
Cat },
and {
Pile }
hair .]
1 . (
Zool .)
The larval state of a butterfly or any lepidopterous insect ;
sometimes ,
but less commonly ,
the larval state of other insects ,
as the sawflies ,
which are also called false caterpillars .
The true caterpillars have three pairs of true legs ,
and several pairs of abdominal fleshy legs (
prolegs )
armed with hooks .
Some are hairy ,
others naked .
They usually feed on leaves ,
fruit ,
and succulent vegetables ,
being often very destructive ,
Many of them are popularly called worms ,
as the {
cutworm },
{
cankerworm }, {
army worm }, {
cotton worm }, {
silkworm }.
[
1913 Webster ]
2 . (
Bot .)
A plant of the genus {
Scorpiurus },
with pods resembling caterpillars .
[
1913 Webster ]
{
Caterpillar catcher },
or {
Caterpillar eater } (
Zool .),
a bird belonging to the family of Shrikes ,
which feeds on caterpillars .
The name is also given to several other birds .
{
Caterpillar hunter } (
Zool .),
any species of beetles of the genus {
Callosoma }
and other allied genera of the family {
Carabid [
ae ]}
which feed habitually upon caterpillars .
[
1913 Webster ]
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