[waist] n [ME wast; akin to OE waestm growth, weaxan to grow--more at wax] (14c) 1 a: the narrowed part of the body between the thorax and hips b: the greatly constricted basal part of the abdomen of some insects (as wasps and flies)
2: the part of something corresponding to or resembling the human waist: as a (1): the part of a ship's deck between the poop and forecastle (2): the middle part of a sailing ship between foremast and main mast b: the middle section of the fuselage of an airplane
3: a garment or the part of a garment covering the body from the neck to the waistline or just below: a: bodice 1 b: blouse
4: waistline 1b -- waist.ed adj