the mouth (as if a gash in the face); by implication language (and its relations); figuratively an opening (in the earth); specifically the front or edge (of a weapon)

1. the mouth, as part of the body: of man, of animals, of fish, etc.

a. since thoughts of a man's soul find verbal utterance by his mouth, the "heart" or "soul" and the mouth are distinguished

2. the edge of a sword