The Collaborative International Dictionary of English v.0.48:

canned \canned\ adj.
   1. Recorded; in contrast with live; -- used of sound or
      video broadcasts.

   Syn: filmed, taped, tape-recorded.
        [WordNet 1.5 +PJC]

   2. Sealed in a can or jar.

   Syn: tinned.
        [WordNet 1.5]

The Collaborative International Dictionary of English v.0.48:

Can \Can\, v. t. [imp. & p. p. Canned; p. pr. & vb. n.
   Canning.]
   To preserve by putting in sealed cans [U. S.] "Canned meats"
   --W. D. Howells.
   [1913 Webster]

   Canned goods, a general name for fruit, vegetables, meat,
      or fish, preserved in hermetically sealed cans.

WordNet (r) 3.0 (2006):

canned
    adj 1: recorded for broadcast; "a transcribed announcement";
           "canned laughter" [syn: canned, transcribed]
    2: sealed in a can or jar [syn: canned, tinned]