Definition of "Stilt" :

noun: long-legged three-toed black-and-white wading bird of inland ponds and marshes or brackish lagoons

noun: long-legged three-toed wading bird of brackish marshes of Australia

noun: a column of wood or steel or concrete that is driven into the ground to provide support for a structure

noun: one of two stout poles with foot rests in the middle; used for walking high above the ground

"He was so tall I thought he was on stilts."