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Definition: Tortoise beetle
Tortoise
\Tor"toise\, n. [OE. tortuce, fr. OF. tortis crooked,
fr. L. tortus twisted, crooked, contorted, p. p. of torquere,
tortum, to wind; cf. F. tortue tortoise, LL. tortuca,
tartuca, Pr. tortesa crookedness, tortis crooked. so called
in allusion to its crooked feet. See
Torture.]
1. (Zo["o]l.) Any one of numerous species of reptiles of the
order
Testudinata.
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Note: The term is applied especially to the land and
fresh-water species, while the marine species are
generally called turtles, but the terms tortoise and
turtle are used synonymously by many writers. See
Testudinata,
Terrapin, and
Turtle.
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2. (Rom. Antiq.) Same as
Testudo, 2.
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Box tortoise,
Land tortoise, etc. See under
Box,
Land, etc.
Painted tortoise. (Zo["o]l.) See
Painted turtle, under
Painted.
Soft-shell tortoise. (Zo["o]l.) See
Trionyx.
Spotted tortoise. (Zo["o]l.) A small American fresh-water
tortoise (
Chelopus guttatus or
Nanemys guttatus)
having a blackish carapace on which are scattered round
yellow spots.
Tortoise beetle (Zo["o]l.), any one of numerous species of
small tortoise-shaped beetles. Many of them have a
brilliant metallic luster. The larv[ae] feed upon the
leaves of various plants, and protect themselves beneath a
mass of dried excrement held over the back by means of the
caudal spines. The golden tortoise beetle (
Cassida aurichalcea
) is found on the morning-glory vine and
allied plants.
Tortoise plant. (Bot.) See
Elephant's foot, under
Elephant.
Tortoise shell, the substance of the shell or horny plates
of several species of sea turtles, especially of the
hawkbill turtle. It is used in inlaying and in the
manufacture of various ornamental articles.
Tortoise-shell butterfly (Zo["o]l.), any one of several
species of handsomely colored butterflies of the genus
Aglais, as
Aglais Milberti, and
Aglais urtic[ae],
both of which, in the larva state, feed upon nettles.
Tortoise-shell turtle (Zo["o]l.), the hawkbill turtle. See
Hawkbill.
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