Bible Dictionaries
Retentor

Webster's Dictionary

(n.) A muscle which serves to retain an organ or part in place, esp. when retracted. See Illust. of Phylactolemata.

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