[1] : The Collaborative International Dictionary of English v.0.48

molt \molt\, moult \moult\, v. i. imp.  p. p. molted or
   moulted; p. pr.  vb. n. molting or moulting. oe.
   mouten, l. mutare. see mew to molt, and cf. mute, v. t.
   the prevalent spelling is, perhaps, moult; but as the u
   has not been inserted in the otherwords of this class, as,
   bolt, colt, dolt, etc., it is desirable to complete the
   analogy by the spelling molt.
   to shed or cast the hair, feathers, skin, horns, or the like,
   as an animal or a bird. --bacon.
   1913 webster molt
see also:
molted moulted molting moulting mew mute 
moult u molt 

[2] : The Collaborative International Dictionary of English v.0.48

molting \molting\ n.
   the act or process by which an animal molts; especially, the
   periodic shedding of the cuticle in arthropods or the outer
   skin in reptiles, or feathers in birds.

   syn: molt, moult, moulting, ecdysis.
        wordnet 1.5

[3] : WordNet (r) 2.0

molting
     n : periodic shedding of the cuticle in arthropods or the outer
         skin in reptiles syn: molt, moult, moulting, ecdysis
see also:
molt moult moulting ecdysis 

Molting >> M Words
Molting, definition of term: Molting
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