Obs. [prob. a. ON. á, cogn. w. OE. éa, Goth. ahwa, L. aqua; see also Æ, and EA.] A stream, a water-course.
1430. Munim. Magd. Coll. Oxf., No. 7 A. (Saltfleetby, Linc.). Communis sewere vocat’ le Seventowne Aa.
