marker
n.— «That’s a good thing, too, as high-end guns, or “markers” in paintball parlance, can fire a projectile up to 300 feet per second.» —“Fort Dodge-based paintball team is ‘all about safety'” by Jesse Helling Messenger (Fort Dodge, Iowa) Feb. 17, 2007. (source: Double-Tongued Dictionary)
Further reading
Jim in Columbia, South Carolina, has noticed sportscasters’ use of the phrase on the season with reference to a period of time. This construction shows up in the sports pages as early as the 1880s, first referring to a team’s revenue and...
In the 15th century, the word respair meant “to have hope again.” Although this word fell out of use, it’s among dozens collected in a new book of soothing vocabulary for troubled times. Plus, baseball slang: If a batter...