Search Result for "passer-by": 
Wordnet 3.0

NOUN (1)

1. a person who passes by casually or by chance;
[syn: passerby, passer-by, passer]



The Collaborative International Dictionary of English v.0.48:

passerby \pas`ser*by"\, Passer-by \Pass`er-by"\, n.
   One who passes by, especially casually or by chance; one not
   directly involved in some action; a passer.
   [1913 Webster +PJC]


WordNet (r) 3.0 (2006):

passer-by
    n 1: a person who passes by casually or by chance [syn:
         passerby, passer-by, passer]