Hypertext Webster Gateway: "stoma"
From Webster's Revised Unabridged Dictionary (1913) (web1913)
Stoma \Sto"ma\, n.; pl. {Stomata}. [NL., fr. Gr. ?, ?, a mouth.]
1. (Anat.) One of the minute apertures between the cells in
many serous membranes.
2. (Bot.)
(a) The minute breathing pores of leaves or other organs
opening into the intercellular spaces, and usually
bordered by two contractile cells.
(b) The line of dehiscence of the sporangium of a fern. It
is usually marked by two transversely elongated cells.
See Illust. of {Sporangium}.
3. (Zo["o]l.) A stigma. See {Stigma}, n., 6
(a) &
(b) .
From WordNet (r) 1.7 (wn)
stoma
n 1: a minute epidermal pore in a leaf or stem [syn: {pore}]
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)
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