terebra

noun tere·bra \təˈrēbrə, ˈterəb-\

Definition of terebra

  1. 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. 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 c -s :  auger shell

terebral

\təˈrēbrəl, ˈterəb-\ adjective

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Origin and Etymology of terebra

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


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