protuberation


pro·tu·ber·ate

P0620000 (prō-to͞o′bə-rāt′, -tyo͞o′-, prə-)intr.v. pro·tu·ber·at·ed, pro·tu·ber·at·ing, pro·tu·ber·ates To swell or bulge.
[Late Latin prōtūberāre, prōtūberāt- : Latin prō-, forth; see pro-1 + Latin tūber, a swelling; see teuə- in Indo-European roots.]
pro·tu′ber·a′tion n.

protuberation

(prəˌtjuːbəˈreɪʃən) n another word for protuberance