The Collaborative International Dictionary
Terebra
Terebra \Ter"e*bra\, n.; pl. E. Terebras, L. Terebr[ae].
(Zo["o]l.) A genus of marine gastropods having a long, tapering spire. They belong to the Toxoglossa. Called also auger shell.
(Zo["o]l.) The boring ovipositor of a hymenopterous insect.
Wiktionary
terebra
n. The bore ovipositor of a hymenopterous insect.
Wikipedia
Usage examples of "terebra".
I have before my eyes some species of the genus Terebra, from New Caledonia.