WordReference Random House Unabridged Dictionary of American English © 2025
quas•qui•cen•ten•ni•al
(kwos′kwi sen ten′ē əl),USA pronunciation adj.
n.
- Timepertaining to or marking a period of 125 years.
n.
- Timea 125th anniversary.
- Timea celebration marking such an anniversary.
- quasqui- one and a quarter (pseudo-Latin, apparently qua(dri-) + (se)squi-) + centenial