Shaped like a bulb.

synonyms: bulb-shaped, bulblike.

Roget 194: expanded, etc. v.; larger, etc. (large) etc. 192; swollen; expansive; wide open, wide spread; flabelliform^†; overgrown, exaggerated, bloated, fat, turgid, tumid, hypertrophied, dropsical; pot bellied, swag bellied^†; edematous, oedematous^†, obese, puffy, pursy^†, blowzy, bigswoln^†, distended; patulous; bulbous etc. (convex) 250; full blown, full grown, full formed; big etc. 192; abdominous^†, enchymatous^†, rhipidate^†; tumefacient^†, tumefying^†.    ... show more

Roget 249: rotund; round etc. (circular) 247; cylindric, cylindrical, cylindroid^†; columnar, lumbriciform^†; conic, conical; spherical, spheroidal; globular, globated^†, globous^†, globose; egg shaped, bell shaped, pear shaped; ovoid, oviform; gibbous; rixiform^†; campaniform^†, campanulate^†, campaniliform^†; fungiform^†, bead-like, moniliform^†, pyriform^†, bulbous; tres atque rotundus [Lat.]; round as an orange, round as an apple, round as a ball, round as a billiard ball, round as a cannon ball.    ... show more

Curving outward.

synonyms: bellied, bellying, bulging, bulgy, protuberant.

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