Source : Webster's Revised Unabridged Dictionary (1913)

Rime \Rime\, v. i. [imp. & p. p. {Rimed}; p. pr. & vb. n.
   {Riming}.]
   To freeze or congeal into hoarfrost.

Rime \Rime\, n. [Etymol. uncertain.]
   A step or round of a ladder; a rung.

Rime \Rime\, n.
   Rhyme. See {Rhyme}. --Coleridge. --Landor.

   Note: This spelling, which is etymologically preferable, is
         coming into use again.

Rime \Rime\, v. i. & t.
   To rhyme. See {Rhyme}.

Rime \Rime\, n. [L. rima.]
   A rent or long aperture; a chink; a fissure; a crack. --Sir
   T. Browne.

Rime \Rime\, n. [AS. hr[=i]m; akin to D. rijm, Icel. hr[=i]m,
   Dan. rim, Sw. rim; cf. D. rijp, G. reif, OHG. r[=i]fo,
   hr[=i]fo.]
   White frost; hoarfrost; congealed dew or vapor.

         The trees were now covered with rime.    --De Quincey.

Source : WordNet®

rime
     n 1: ice crystals forming a white deposit (especially on objects
          outside) [syn: {frost}, {hoar}, {hoarfrost}]
     2: correspondence in the sounds of two or more lines
        (especially final sounds) [syn: {rhyme}]
     v 1: be similar in sound, especially with respect to the last
          syllable; "hat and cat rhyme" [syn: {rhyme}]
     2: compose rhymes [syn: {rhyme}]