acker

(dialectal, now rare) A visible current in a lake or river; a ripple on the surface of water.

nickname from the Somerset slang for "friend" or "mate", e.g. Acker Bilk

An English topographical surname from Old English from Old English æcer (“field”).

A German topographical surname from German from Old High German ackar (“field”).

Obsolete form of acre. [An English unit of land area (symbol: a. or ac.) originally denoting a day's ploughing for a yoke of oxen, now standardized as 4,840 square yards or 4,046.86 square metres.]