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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formidable, illustrious, or eminent

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