4750  stoma  stom'-a

 probably strengthened from a 
presumed derivative of the 
base of 5114; the mouth (as 
if a gash in the face); by 
implication, language (and 
its relations); figuratively, 
an opening (in the earth); 
specially, the front or edge 
(of a weapon):--edge, face, 
mouth.

 see GREEK for 5114