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

c -s : auger shell

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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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a nest or breeding place

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