From Longman Dictionary of Contemporary Englishbuxombux‧om /ˈbʌksəm/ adjective HBHBEAUTIFUL/GOOD-LOOKINGa woman who is buxom is attractively large and healthy and has big breasts
Examples from the Corpus
buxom• Rhoda was forty-eight, blonde, buxom and so cheerful Ken said she ought to be a barmaid.• She was buxom, and the rust-red pullover she wore was not designed to minimize the fact.• In 1959, a body type was born that was a combination of the buxom blonde and the elegant brunette.• Two competing ideal female body types developed: the buxom blonde and the elegant brunette.• The house now belongs to a buxom blonde from Lyon, wife of a driving instructor.• By the gate the Patriarch's buxom companion was still at work, weeding a not particularly fertile-looking patch of edging.• From the time of Barbie on, both the buxom Playboy types and the brunette model types got thinner and thinner.• A buxom woman wears a tall hat.Origin buxom (1500-1600) buxom “willing to obey, friendly” ((11-17 centuries)), from Old English buhsum, from bugan “to bend” 