noun.
A very young child's feeding chair that has long legs, a footrest, and a usually detachable tray.
the GNU version of the Collaborative International Dictionary of English
noun.
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.