Entertainment / Golf / Marker: (also 'ball marker') usually a small, flat object (like a dime) used to mark the ball's position (usually, but not exclusively, on the green) while other players putt and/or the ball is cleaned
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Technology / Radar / Range Markers: Equally spaced concentric rings of light on the ppi which permit the radar observer to determine the range to a contact in accordance with the range setting or the range of the outer rings. See variab MORE
Entertainment / Golf / Tee Markers: (also 'markers, tee blocks, blocks') two objects that indicate the foreward boundary of the teeing area MORE
Technology / Radar / Variable Range Marker: A luminous range circle or ring on the ppi, the radius of which is continuously adjust able. The range setting of this marker is read on the range counter of the radar indicator. MORE
Entertainment / Golf / Yardage Marker: Some type of landmark (usually permanent) indicating the yardage to the green -- most commonly measured to the center of the green but occasionally measured to the front of the green at a few rare cou MORE
Technology / Motorcycle / Back Marker: A slow rider marking the back of a pack of motorcyclists. MORE
Entertainment / Basketball / Midcourt Area Marker: One of four lines extending 3 feet in from a sideline, 28 feet from and parallel to a baseline. MORE