Noun

(en noun)

A marker pen used to highlight text.

That which highlights or emphasizes something.

* Samir Chopra, Brave New Pitch

The IPL was supposed to be a symbol of an ever-more influential, dynamic and prosperous India, a highlighter of its organizational skills and wealth.

* 2011 , Dani Cavallaro, The Fairy Tale and Anime (page 147)

At the same time, art rooted in nature is eminently ephemeral, as human life itself is, and fairy lore again operates as a highlighter of this essential condition through its own distinctive world picture

Noun

(en noun)

An object used to mark a location.

Someone or something that marks.

# One who keeps account of a game played, as of billiards.

# A counter used in card games and other games.

# The soldier who forms the pilot of a wheeling column, or marks the direction of an alignment.

# An attachment to a sewing machine for marking a line on the fabric by creasing it.

* 2013 , Phil McNulty, " Man City 4-1 Man Utd", BBC Sport , 22 September 2013:

Pellegrini insisted this was a game City had to win - this they did and with the sort of performance that put down a marker for how the Chilean wants his team to play.

A felt-tipped pen.

(slang) A signed note of a debt to be paid.

(slang, figuratively) A nonmonetary debt owed to someone, especially in return for a favor.

We may not be able to do this alone. Maybe it’s time to call in some of our markers .

(paintball) A device that fires a paintball

(sports) A defending player who stays close to an opponent in order to mark them.

* {{quote-news

, year=2012 , date=April 21 , author=Jonathan Jurejko , title=Newcastle 3-0 Stoke , work=BBC Sport citation , page= , passage=He skipped past Marc Wilson before clipping a delicious cross into the Stoke danger zone, where Cisse's sharp movement allowed him to escape marker Robert Huth and send a far-post header crashing against the crossbar. And Cabaye was waiting to pounce on the rebound with a close range header.}}

A gene or DNA sequence with a known location on a chromosome that can be used to identify individuals or species.

(In competition law) 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.