Bible Dictionaries
Tricentenary

Webster's Dictionary

(1):

(n.) A period of three centuries, or three hundred years, also, the three-hundredth anniversary of any event; a tercentenary.

(2):

(a.) Including, or relating to, the interval of three hundred years; tercentenary.

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