STOMATA
STOMA
stoma
(noun) a mouth or mouthlike opening (especially one created by surgery on the surface of the body to create an opening to an internal organ)
stoma, stomate, pore
(noun) a minute epidermal pore in a leaf or stem through which gases and water vapor can pass
Source: WordNet® 3.1
Noun
stomata
plural of stoma
Source: Wiktionary
STOMA
Sto"ma, n.; pl. Stomata. Etym: [NL., fr. Gr.
1. (Anat.)
Definition: 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. (Zoöl.)
Definition: A stigma. See Stigma, n., 6 (a) & (b).
Source: Webster’s Unabridged Dictionary 1913 Edition