noria

Noria \No"ri*a\ (n[=o]"r[i^]*[.a]), n. [Sp., from Ar. n[=a]'[=u]ra.] A large water wheel, turned by the action of a stream against its floats, and carrying at its circumference buckets, by which water is raised and discharged into a trough; used in Arabia, China, and elsewhere for irrigating land; a Persian wheel. [1913 Webster]