allomorph Syllabification: (al·lo·morph)Pronunciation: /ˈaləˌmôrf/Definition of allomorph noun Linguistics any of the versions of a morpheme, such as the plural endings /s/ (as in bats) /, z/ (as in bugs), and /iz/ (as in buses) for the plural morpheme. Derivatives allomorphicPronunciation: /ˌaləˈmôrfik/ adjective Origin: 1940s: from allo- 'other, different' + morphemeallomorph in other Oxford dictionaries Definition of allomorph in the British & World English dictionary