To shed skin or other covering
To discard is defined as to get rid of something or throw something away.
To lay aside, abandon, or leave for another; switch:
(Nautical) To turn (a ship); change to the opposite tack.
(Intransitive, nautical) To let go (a cable or rope securing a vessel to a buoy, wharf etc) so that the vessel may make way.
To wander from or become ignorant of:
Find another word for molts. In this page you can discover 7 synonyms, antonyms, idiomatic expressions, and related words for molts, like: sloughs, sheds, discards, changes, casts, and loses.