marker Meaning, Definition & Usage

  1. noun some conspicuous object used to distinguish or mark something
    • the buoys were markers for the channel
  2. noun a distinguishing symbol
    marking; mark.
    • the owner's mark was on all the sheep
  3. noun a writing implement for making a mark

WordNet


Mark"er noun
Definitions
  1. One who or that which marks. Specifically: (a) One who keeps account of a game played, as of billiards. (b) A counter used in card playing and other games. (c) (Mil.) The soldier who forms the pilot of a wheeling column, or marks the direction of an alignment. (d) An attachment to a sewing machine for marking a line on the fabric by creasing it.

Webster 1913