[bel.ly] n, pl bellies [ME bely bellows, belly, fr. OE belg bag, skin; akin to OHG balg bag, skin, OE blawan to blow--more at blow] (bef. 12c) 1 a: abdomen 1; also: potbelly 1 b: the stomach and its adjuncts c: the undersurface of an animal's body; also: hide from this part d: womb, uterus
2: an internal cavity: interior
3: appetite for food
4: a surface or object curved or rounded like a human belly
5. a: the enlarged fleshy body of a muscle b: the part of a sail that swells out when filled with wind
6: gut 1a(2)
[2]belly vb bel.lied ; bel.ly.ing vt (1606): to cause to swell or fill out ~ vi 1: swell, fill
2. a: to slide or crawl on one's belly b: belly-land