1. a toy horse, typically mounted on rockers or wheels, for a child to ride
Usage: often used in the nursery rhyme 'Ride a cock horse to Banbury Cross'

1. mounted on or riding a cockhorse; in a position of prominence or superiority
Usage: archaic or literary

Examples

• The child rode the cockhorse back and forth across the nursery.
• She sat cockhorse on the fence, surveying the garden below.
• The old cockhorse in the attic was a cherished family heirloom.
• He felt cockhorse about his recent promotion.
• The nursery rhyme begins with 'Ride a cock horse to Banbury Cross.'