The Collaborative International Dictionary
Terebrant
Terebrant \Ter"e*brant\, a. [L. terebrans, -antis, p. pr.] (Zo["o]l.) Boring, or adapted for boring; -- said of certain Hymenoptera, as the sawflies.
Wiktionary
terebrant
a. (cx zoology of an insect English) That bores. n. (cx zoology English) Any insect that bores.