FROM STRONG’S GREEK DICTIONARY (1890)

Strong’s Greek Dictionary (1890) — public domain, printed whole.

stoma στόμα — 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