What is the Latin word for turnip?

The usual Latin words for “turnip” are rāpum, rāpulum, nāpus; also rapīna, nāpīna. The right choice depends on the sense; see the distinctions below.

English → Latin

“turnip” in Latin

rāpumturnip rāpulumlittle turnip nāpusturnip, field mustard (Brassica rapa); rapeseed (Brassica napus)rapīnarobbery, plundering, pillage, rapine; plunder, booty nāpīnaa turnip field

The English word turnip itself goes back to Latin nāpus.

Riddle & Arnold A Copious and Critical English–Latin Lexicon, 1864

turnip

rapum; rarely rapa, -ae, feminine (Col., Plin.): diminutive, rapulum (Hor.): napus, -i, masculine (a navew, kind of turnip, Col.): *brassica rapa (Linn.). A turnip-field, rapina: napina, -ae, feminine (Col.).

Quick answer

What is the Latin word for turnip?: The usual Latin words for “turnip” are rāpum, rāpulum, nāpus; also rapīna, nāpīna. The right choice depends on the sense; see the distinctions below.

Entry from J. E. Riddle & T. K. Arnold, A Copious and Critical English–Latin Lexicon (rev. C. Anthon, New York: Harper, 1864), digitised by Fergus J. P. Walsh, CC BY-SA 4.0; Latin markup adapted by latindictionary.co.