terebra

noun
tere·​bra | \ təˈrēbrə, ˈterəb- \

Definition of terebra

1 plural terebras\ -​brəz \ or terebrae\ -​ē(ˌ)brē ; -​ə(ˌ)brē , -​əˌbrī \ : a device used by the ancient Romans for starting a breach in a fortified wall
2 [New Latin, from Latin, borer]
a plural -s : the boring ovipositor of a hymenopterous insect
b capitalized : a genus of marine gastropods (suborder Stenoglossa) having a long tapering spire and being the type of a family Terebridae comprising the auger shells

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Other Words from terebra

terebral \ təˈrēbrəl , ˈterəb-​ \ adjective

History and Etymology for terebra

Latin, borer, gimlet, from terere to rub, grind + -bra, suffix denoting an instrument

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Cite this Entry

“Terebra.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/terebra. Accessed 25 Oct. 2020.

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