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

overhear \o`verhear"\, v. t. imp.  p. p. overheard; p. pr.
    vb. n. overhearing. as. oferhi'eran.
   1913 webster
   1. to hear more of anything than was intended to be heard;
      to hear by accident or artifice. --shak.
      1913 webster

   2. to hear again. --shak.
      1913 webster
see also:
overheard overhearing 

[2] : WordNet (r) 2.0

overhear
     v : hear, usually without the knowledge of the speakers; "we
         overheard the conversation at the next table" syn: catch,
          take in
     also: overheard
see also:
catch take in overheard 

Overhear >> O Words
Overhear, definition of term: Overhear
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