marker

Definitions

• An object used to mark a location.
• Someone or something that marks.
• A real or virtual objective, something to be aimed for.
• A felt-tipped pen.
• (colloquial) Marks of ink left by this type of pen.
• (US) A signed note of a debt to be paid.
• (US) A nonmonetary debt owed to someone, especially in return for a favor.
• (paintball) A device that fires a paintball.
• (sports)
• (biology) A gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.
• (competition) A recognition given by a competition authority that a company is the first to approach it to reveal the existence of a cartel, as a prelude to a formal application for leniency for the company.