adj

• (of a woman) Having a full, voluptuous figure, especially possessing large breasts.
  "Aarfy's buxom trollop had vanished with her smutty cameo ring, and Nurse Duckett was ashamed of him because he had refused to fly more combat missions and would cause a scandal."
• (dated) Full of health, vigour, and good temper.
  "There on Beds of Violets blew, / And freſh-blown Roſes waſht in dew, / Fill'd her with thee a daughter fair, / So buckſom, blith, and debonair."
• (obsolete) Physically flexible or unresisting.
  "Their substance is of a middle Nature betwixt bones and gristles moderately hard, the better to beare the violence of outward iniures, flexible or buxome that they should not breake but giue way to violence, pellucide or transparant and therefore they are either red or liuid according to their flesh vnder them."
• (obsolete, by extension) Morally pliant; obedient and easily yielding to pressure.
  "They downe him hold, and fast with cords do bynde, / Till they him force the buxome yoke to beare […]."