Found 2 items, similar to ostiole.
English → English (WordNet)
Definition: ostiole
ostiole
n : a small pore especially one in the reproductive bodies of
certain algae and fungi through which spores pass
English → English (gcide)
Definition: Ostiole
Ostiole
\Os"ti*ole\, n. [L. ostiolum a little door, dim. of
ostium a door: cf. F. ostiole.] (Bot.)
(a) The exterior opening of a stomate. See
Stomate.
(b) Any small orifice.
[1913 Webster]