DEF: Posts used to support buildings above water or ground.
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Merriam-Webster Online Dictionary
stilt (noun)1.
a) one of two poles each with a rest or strap for the foot used to elevate the wearer above the ground in walking
b) a pile or post serving as one of the supports of a structure above ground or water level
2.
any of several very long-legged 3-toed shorebirds (genera and ) that are related to the avocets, frequent inland ponds and marshes, and nest in small colonies - Himantopus Cladorhynchus
transitive verb
to raise on or as if on - stilts