Search Result for "marker": 
Wordnet 3.0

NOUN (3)

1. some conspicuous object used to distinguish or mark something;
- Example: "the buoys were markers for the channel"

2. a distinguishing symbol;
- Example: "the owner's mark was on all the sheep"
[syn: marker, marking, mark]

3. a writing implement for making a mark; 



The Collaborative International Dictionary of English v.0.48:

Marker \Mark"er\, n.
   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.
       [1913 Webster]


WordNet (r) 3.0 (2006):

marker
    n 1: some conspicuous object used to distinguish or mark
         something; "the buoys were markers for the channel"
    2: a distinguishing symbol; "the owner's mark was on all the
       sheep" [syn: marker, marking, mark]
    3: a writing implement for making a mark