WordReference Random House Unabridged Dictionary of American English © 2026
Chil•der•mas
(chil′dər məs),USA pronunciation n. [Chiefly Brit.]
- British TermsSee Holy Innocents' Day.
- Middle English chyldermasse, equivalent. to Old English cildra (genitive plural of cild child) + mæsse Mass bef. 1000