v. t.
And now he hath to her prefixt a day. Spenser. [ 1913 Webster ]
n. [ Cf. F. préfixe. ] That which is prefixed; esp., one or more letters or syllables combined or united with the beginning of a word to modify its signification;
n. [ Cf. OF. prefixion. ] The act of prefixing. [ R. ] Bailey. [ 1913 Webster ]