A hemispherical or rounded head to a rivet or bolt; also,
a swaging tool with a cavity in its face for forming such a rounded
head.
1. Unknown. [Obs.] "This uncouth errand." Milton. To leave the good that I had in hand, In hope of better that was uncouth. Spenser. 2. Uncommon; rare; exquisite; elegant. [Obs.] Harness . . . so uncouth and so rish. Chaucer. 3. Unfamiliar; strange; hence,...
