Ĕs'ta-cāde, n.

n. [Fr., Sp. estacada, from Sp. & Pr. estaca, O. Fr. estaque, estache, It. stacca, pole, stake, from H. Ger. staken, L. Ger. & Eng. stake, D. staak, A-S. staca. See STAKE.] (Mil.) A dike constructed of piles in the sea, a river, or a morass, to check the approach of an enemy.