rāpum — Lewis & Short
rāpum, i, n.akin to Gr. r(a/fh, r(afa/nh (collat. form rāpa, ae, f.,
Col. 11, 3, 16; Scrib. Comp. 176; 177),I a turnip, rape: Brassica rapa, Linn.; Varr. R. R. 1, 59, 4; Col. 2, 10, 22 sq.; Plin. 18, 13, 33, § 125;
flung at one as an insult,Suet. Vesp. 4.—
II A knob or lump formed by the roots of a tree:
magnarum arborum truncos cum rapo suo transtulit,Sen. Ep. 86, 17; cf. id. ib. 86, 18.