[bux.om] adj [ME buxsum, fr. (assumed) OE buhsum; akin to OE bugan to bend--more at bow] (12c) 1 obs a: obedient, tractable b: offering little resistance: flexible, pliant "wing silently the ~ air --John Milton"
2. archaic: full of gaiety: blithe
3: vigorously or healthily plump; specif: full-bosomed -- bux.om.ly adv -- bux.om.ness n