Terebra

(n.) A genus of marine gastropods having a long, tapering spire. They belong to the Toxoglossa. Called also auger shell.

Terebra - Other Definitions

(n.) A genus of marine gastropods having a long, tapering spire. They belong to the Toxoglossa. Called also auger shell.
(n.) The boring ovipositor of a hymenopterous insect.