cast off

Short definition from Wiktionary

Verb

1. 1
   To discard or reject something.
2. 2
   To let go (a cable or rope securing a vessel to a buoy, wharf, etc.) so that the vessel may make way.
3. 3
   To finish the last row of knitted stitches and remove them securely from the needle.
4. 4
   To estimate the amount of space required by the type used for the given copy.

Noun

1. 1
   Alternative form of castoff.

Adjective

1. 1
   Alternative form of castoff.