'highchair' definitions:

Definition of 'highchair'

From: WordNet
noun
A chair for feeding a very young child; has four long legs and a footrest and a detachable tray [syn: highchair, feeding chair]

Definition of 'highchair'

From: GCIDE
  • highchair \high"chair`\, high chair \high" chair`\n. a chair designed for feeding a very young child, having four long legs and a footrest and a detachable tray, which rests in front of the child, holds the food, and also serves as a restraint, to keep the child from falling out of the chair.
  • Syn: feeding chair. [WordNet 1.5]