Stank \Stank\, n. [OF. estang, F. ['e]tang, from L. stagnum a pool. Cf. {Stagnate}, {Tank} a cistern.] 1. Water retained by an embankment; a pool water. [Prov. Eng. & Scot.] --Robert of Brunne. 2. A dam or mound to stop water. [Prov. Eng.] {Stank hen} (Zo["o]l.), the moor hen; -- called also {stankie}. [Prov. Eng.]