Stō'mȧ, n.

Stō'mȧ, n.; pl. STŎM'A-TȦ. [Gr. στόμα, mouth.]

1Sense 1. (Bot.) The minute breathing pores of leaves or other organs, opening into the intercellular spaces, and bordered by a contractile rim.

2Sense 2. (Zoöl.) One of the breathing-holes of air-breathing articulates. They are situated along the sides of the body in insects.