stilts

noun

1. Either of two poles with footrests that allow someone to stand or walk above the ground; used mostly by entertainers.
2. A tall pillar or post used to support some structure; often above water.
3. Any of various wading birds of the genera Himantopus and Cladorhynchus, related to the avocet, that have extremely long legs and long thin bills.
4. A crutch.