WordReference Random House Unabridged Dictionary of American English © 2025
af•fu•sion
(ə fyo̅o̅′zhən),USA pronunciation n.
- the pouring on of water or other liquid, as in the rite of baptism.
- Late Latin affūsiōn- (stem of affūsiō a pouring upon), equivalent. to affūs(us) (past participle of affundere; see af-, fuse2) + -iōn- -ion
- 1605–15