Of or relating to or resembling a tuber.

Roget 250: convex, prominent, protuberant, projecting etc. v.; bossed, embossed, bossy, nodular, bunchy; clavate, clavated^†, claviform; hummocky^†, moutonne^†, mammiliform^†; papulous^†, papilose^†; hemispheric, bulbous; bowed, arched; bold; bellied; tuberous, tuberculous; tumous^†; cornute^†, odontoid^†; lentiform^†, lenticular; gibbous; club shaped, hubby [U.S.], hubbly [U.S.], knobby, papillose, saddle-shaped, selliform^†, subclavate^†, torose^†, ventricose^†, verrucose^†.    salient, in relief, raised, repousse; bloated &c., (expanded) 194.    ... show more

Polish: bulwiasty