| 释义 |
elytron|ˈɛlɪtrɒn|
Pl. elytra; also 8 elitra.
[a. Gr. ἔλυτρον a sheath.]
A sheath or covering.
†1. (See quot.) Obs.—0.
1753Chambers Cycl. Supp., Elytron..Hippocrates has appropriated the word to signify the membranes, which involve the spinal marrow. 1882in Syd. Soc. Lex.
2. The outer hard wing-case of a coleopterous insect, pl. elytra. Also Comb., as elytra-like adj.
1774Goldsmith Nat. Hist. (1862) II. iv. vi. 548 The elytron, or case for the wings [of the beetle]. 1777Henly in Phil. Trans. LXVII. 123 Elitra of the stag-beetle. 1802Bingley Anim. Biog. (1813) III. 151 The larvæ of the Earwigs..have neither wings nor elytra. 1852Dana Crust. ii. 1370 The two elytra-like prolongations of the shell. 1871Darwin Desc. Man I. x. 343 The females of some water beetles have their elytra deeply grooved.
3. ‘A term applied to the shield-like plates or notopodial appendages on the back of some polychætous annelids’ (Syd. Soc. Lex.).
1841–71T. R. Jones Anim. Kingd. 274 In Aphrodite aculeata the tale of the real uses of the elytra or scales is plainly told. 1878Bell tr. Gegenbauer's Comp. Anat. 134 The elytra are special appendages of the parapodia.
4. ‘A term for the vagina’ (Syd. Soc. Lex.). |