Postfix :: Postfix (n.) A letter, syllable, or word, added to the end of another word; a suffix..
Postfix :: Postfix (v. t.) To annex; specifically (Gram.), to add or annex, as a letter, syllable, or word, to the end of another or principal word; to suffix..
Postfrontal :: Postfrontal (a.) Situated behind the frontal bone or the frontal region of the skull; -- applied especially to a bone back of and below the frontal in many animals.