\Aj"u*tage\, n. [F. ajutage, for ajoutage, fr. ajouter to add, LL. adjuxtare, fr. L. ad + juxta near to, nigh. Cf. {Adjutage}, {Adjustage}, {Adjust}.] A tube through which water is discharged; an efflux tube; as, the ajutage of a fountain.