Definify.com
Webster 1913 Edition
Marker
Mark′er
,Noun.
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 1828 Edition
Marker
M`ARKER
,Noun.
1.
One that notes or takes notice.