The Collaborative International Dictionary of English v.0.48:
Rime \Rime\, v. i. [imp. & p. p. Rimed; p. pr. & vb. n. Riming.] To freeze or congeal into hoarfrost. [1913 Webster]WordNet (r) 3.0 (2006):
riming adj 1: having corresponding sounds especially terminal sounds; "rhymed verse"; "rhyming words" [syn: rhymed, rhyming, riming] [ant: rhymeless, rimeless, unrhymed, unrimed]