adj.
Pronunciation: -b( ə -)r ə nt
Function: adjective
Etymology: Late Latin protuberant-, protuberans, present participle of protuberare to bulge out, from Latin pro- forward + tuber excrescence, swelling; perhaps akin to Latin tum ē re to swell ― more at THUMB
Date: 1646
: thrusting out from a surrounding or adjacent surface often as a rounded mass : PROMINENT < protuberant eyes>
– pro · tu · ber · ant · ly adverb