| 释义 |
‖ haustellum Zool.|hɔːˈstɛləm|
Pl. -a.
[mod.L. dim. of haustrum a machine for drawing water, f. haurīre, haust- to draw (water).]
The sucking organ or proboscis of an insect or a crustacean.
1816Kirby & Sp. Entomol. (1843) I. 233 Species also of Empis whose haustellum resembles the beak of a bird. 1847Nat. Encycl. I. 893 The beak, or haustellum, arises from the under part of the head. 1856–8W. Clark Van der Hoeven's Zool. I. 308 An haustellum formed of setæ. |