n. One skilled in shooting with firearms, especially with the rifle; specifically, in military use, a skirmisher, or the occupant of a rifle-pit, posted to cut off outlying parties of the enemy, artillerists, or the like, or to prevent approach by the enemy to a ford or other object of importance.n. A swift, clipper-built schooner.n. Specifically: A soldier who makes 60 per cent, at target practice at ranges up to 1,000 yards.n. Any one of several hemipterous insects which puncture the cotton-boll, sometimes causing it to rot. Homalodisca coagulata is one of the commonest forms. The Mexican cotton-boll weevil was often called a ‘sharp-shooter’ when it was new in Texas.