adj. & n.
adj. 1 dominating, prevailing, most influential. 2 (of a high place) prominent, overlooking others. 3 a (of an allele) expressed even when inherited from only one parent. b (of an inherited characteristic) appearing in an individual even when its allelic counterpart is also inherited (cf. RECESSIVE).
n. Mus. the fifth note of the diatonic scale of any key. dominantly adv.
[ F f. L dominari (as DOMINATE) ]