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The Collaborative International Dictionary
Terebra

Terebra \Ter"e*bra\, n.; pl. E. Terebras, L. Terebr[ae].

  1. (Zo["o]l.) A genus of marine gastropods having a long, tapering spire. They belong to the Toxoglossa. Called also auger shell.

  2. (Zo["o]l.) The boring ovipositor of a hymenopterous insect.

Wiktionary
terebra

n. The bore ovipositor of a hymenopterous insect.

Wikipedia
Terebra

Terebra is a genus of small to large-sized predatory sea snails, marine gastropod mollusks in the family Terebridae, the auger snails.

Species in this genus do not possess a radula.

Usage examples of "terebra".

I have before my eyes some species of the genus Terebra, from New Caledonia.