'Couth' definitions:

Definition of 'couth'

From: WordNet
adjective
(used facetiously) refined

Definition of 'Couth'

From: GCIDE
  • Couth \Couth\ (k??th), imp. & p. p. of Can. [See Can, and cf. Uncouth.] Could; was able; knew or known; understood. [Obs.] [1913 Webster]
  • Above all other one Daniel He loveth, for he couth well Divine, that none other couth; To him were all things couth, As he had it of God's grace. --Gower. [1913 Webster]