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):
rimed adj 1: covered with frost; "a frosty glass"; "hedgerows were rimed and stiff with frost"-Wm.Faulkner [syn: frosty, rimed, rimy]