Crossword clues for ostiole
The Collaborative International Dictionary
Ostiole \Os"ti*ole\, n. [L. ostiolum a little door, dim. of ostium a door: cf. F. ostiole.] (Bot.)
The exterior opening of a stomate. See Stomate.
Any small orifice.
n. 1 (context mycology English) A small hole or opening through which certain fungi release their mature spores. 2 (context botany English) A similar hole or opening in plants, such as the opening of the involuted fig inflorescence through which fig wasps enter to pollinate and breed.
n. a small pore especially one in the reproductive bodies of certain algae and fungi through which spores pass