Bible Dictionaries
Peritreme

Webster's Dictionary

(1):

(n.) That part of the integument of an insect which surrounds the spiracles.

(2):

(n.) The edge of the aperture of a univalve shell.

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