Tercentenary

Definition:

• (a.) Including, or relating to, an interval of three hundred years.
• (n.) The three hundredth anniversary of any event; also, a celebration of such an anniversary.

Compare tercentenary with other words:

tercentenary vs. tricentenary

tercentenary vs. triennial

tercentenary vs. year

span vs. tercentenary

event vs. tercentenary

anniversary vs. tercentenary