Sc. [ad. F. écluse SLUICE, q.v.; cf. CLOW sb.1] A sluice.

1

1791.  Newte, Tour Eng. & Scot., 176. The sluice of a mill, in the Low-lands of Scotland, is called the cluss. This is evidently taken from the French ecluse.

2

1808.  Jamieson, s.v. Clouse: Clush, a sluice.

3