Bible Dictionaries
Trivium

Webster's Dictionary

(1):

(n.) The three " liberal" arts, grammar, logic, and rhetoric; - being a triple way, as it were, to eloquence.

(2):

(n.) The three anterior ambulacra of echinoderms, collectively.

Bibliography Information
Webster, Noah. Entry for 'Trivium'. Noah Webster's American Dictionary. https://www.studylight.org/​dictionaries/​eng/​web/​t/trivium.html. 1828.