Bible Dictionaries
Ostiole

Webster's Dictionary

(1):

(n.) Any small orifice.

(2):

(n.) The exterior opening of a stomate. See Stomate.

Bibliography Information
Webster, Noah. Entry for 'Ostiole'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​o/ostiole.html. 1828.