|  stoma 
 
 1. a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
 • Syn:
 stomate, pore
 • Derivationally related forms:
 stomatous, stomatal
 • Hypernyms:
 aperture
 • Hyponyms:
 germ pore, hydathode, water pore, water stoma, lenticel
 2. a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
 • Derivationally related forms:
 stomatous, stomatal
 • Topics:
 surgery
 • Hypernyms:
 orifice, opening, porta
 • Part Holonyms:
 colostomy, tracheostomy, tracheotomy
 
 
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