Ajutage definitions Webster's 1828 Dictionary AJ'UTAGE, or AD'JUTAGE ... Oxford Reference Dictionary var. of ADJUTAGE. Webster's 1913 Dictionary Ajutage Aj"u*tage, n. [F. ajutage, for ajoutage, fr. ajouter to add, LL. adjuxtare, fr. L ... through which water is discharged; an efflux tube; as, the ajutage of a fountain. Soule's Dictionary of English Synonyms n ...