v. & n.
--v.tr.
1. (often foll. by in) a fix (a thing in another). b impress (a fact etc. in the mind).
2 Gram. insert (a formative element) into the body of a word.
--n. Gram. a formative element inserted in a word.
Derivatives:
infixation n.
Etymology: L infigere infix- (as IN-(2), FIX): (n.) after prefix, suffix