name: A surname (common: 1 in 20000 families; popularity rank in the U.S.: #2480)
noun: (regional, now rare) A visible current in a lake or river; a ripple on the surface of water.
noun: An English topographical surname from Old English from Old English æcer (“field”).
noun: A German topographical surname from German from Old High German ackar (“field”).
noun: nickname from the Somerset slang for "friend" or "mate", e.g. Acker Bilk
noun: 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 meters.]