Search Result for "canker sore":
Wordnet 3.0

NOUN (1)

1. an ulceration (especially of the lips or lining of the mouth);
[syn: canker, canker sore]



WordNet (r) 3.0 (2006):

canker sore
    n 1: an ulceration (especially of the lips or lining of the
         mouth) [syn: canker, canker sore]