tricentennial

[ trahy-sen-ten-ee-uhl ]
/ ˌtraɪ sɛnˈtɛn i əl /

adjective

pertaining to 300 years or a period of 300 years.
marking the completion of such a period: a tricentennial celebration.

noun

a 300th anniversary or its celebration.

QUIZZES

BEAT THE DOLDRUMS WITH THIS WORD OF THE DAY QUIZ!

We know you’ll tackle this quiz totis viribus! See how many words from the week of Oct 12–18, 2020 you get right!
Question 1 of 7
What does “Indigenous” mean?
Also tercentenary, tercentennial.

Origin of tricentennial

First recorded in 1880–85; tri- + centennial
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2020