'Waist' definitions:

Definition of 'waist'

(from WordNet)
noun
The narrowing of the body between the ribs and hips [syn: waist, waistline]
noun
The narrow part of the shoe connecting the heel and the wide part of the sole [syn: shank, waist]

Definition of 'Waist'

From: GCIDE
  • Waist \Waist\, n. [OE. wast; originally, growth, akin to AS. weaxan to grow; cf. AS. w[ae]stm growth. See Wax to grow.] [1913 Webster]
  • 1. That part of the human body which is immediately below the ribs or thorax; the small part of the body between the thorax and hips. --Chaucer. [1913 Webster]
  • I am in the waist two yards about. --Shak. [1913 Webster]
  • 2. Hence, the middle part of other bodies; especially (Naut.), that part of a vessel's deck, bulwarks, etc., which is between the quarter-deck and the forecastle; the middle part of the ship. [1913 Webster]
  • 3. A garment, or part of a garment, which covers the body from the neck or shoulders to the waist line. [1913 Webster]
  • 4. A girdle or belt for the waist. [Obs.] --Shak. [1913 Webster]
  • Waist anchor. See Sheet anchor, 1, in the Vocabulary. [1913 Webster]