n. An elevated, or high, chair, often including a built-in tray, used for feeding babies and toddlers.
the GNU version of the Collaborative International Dictionary of English
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.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a chair for feeding a very young child; has four long legs and a footrest and a detachable tray
Word Usage
"Although you can't remember it, you've probably seen photos of your first birthday party: you in a highchair, wearing a cone hat strapped around your chin, seated behind a frosted cake inscribed with your name and adorned with a waxy '1' candle."