[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.
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