[a. mod. Fr. allonyme, f. Gr. ἄλλος other + -ώνυμ-ος named, f. ὄνομα, Æol. ὄνυμα name. Cf. synonym.] a. The name of some one else assumed by the author of a work. b. A book bearing the name of some one other than its author.
1867. O. Hamst, Martyr to Bibliogr., 21. Allonym (Allonymous). False proper name. Work published in order to deceive, under the name of some author or person of reputation, but not by him, as Peter Parley (Annual).