1
: one that marks
2
: something used for marking: such as
a
: a type of felt tip pen that makes wide lines
drew a tree with green and brown markers
used a permanent marker to label the boxes
b
: any of various sewing devices for making or indicating guidelines
a pin marker for hemlines
3
: score sense 7
specifically
: run
4
5
: something that serves to identify, predict, or characterize: such as
a
b
Examples of marker in a Sentence
A person's accent can be a marker of social class.
the markers on the rock and mineral specimens were old and faded
Recent Examples on the Web
Pierrepont’s marketing of Brooklyn Heights as one of America’s first suburbs is conventional wisdom, found everywhere from scholarly opinion pieces to the historical markers lining the streets of today’s landmark district.
—
Jeremy Lechtzin, New York Times, 19 Apr. 2024
To make this notebook extra special, add a pack of stickers and some fun jelly pens or markers.
—Jessie Quinn, Peoplemag, 19 Apr. 2024
Visual effects studio Digital Domain is introducing a new version of its Masquerade facial motion capture system, which eliminates the need for actors to wear tracking markers on their faces during production.
—Carolyn Giardina, Variety, 17 Apr. 2024
The steel model gets the three-color treatment by including gold for the hour markers and hands.
—Allen Farmelo, Robb Report, 16 Apr. 2024
Additionally, study authors noted lower inflammatory markers and fewer depressive symptoms among participants, as well as greater thickness of their temporal cortexes.
—Lauryn Higgins, Health, 16 Apr. 2024
The markers, meanwhile, should be made more difficult to remove.
—Mekela Panditharatne, TIME, 10 Apr. 2024
After making the comment at the hotel, Celestine entered the interstate near mile marker 112 and drove westbound, the highway patrol said.
—Antonio Planas, NBC News, 9 Apr. 2024
The group’s population is diverse, growing and constantly changing, as are the attitudes on the markers of Latino identity.
—Cerys Davies, Los Angeles Times, 10 Apr. 2024
Jeremy Lechtzin, New York Times, 19 Apr. 2024
To make this notebook extra special, add a pack of stickers and some fun jelly pens or markers.
—Jessie Quinn, Peoplemag, 19 Apr. 2024
Visual effects studio Digital Domain is introducing a new version of its Masquerade facial motion capture system, which eliminates the need for actors to wear tracking markers on their faces during production.
—Carolyn Giardina, Variety, 17 Apr. 2024
The steel model gets the three-color treatment by including gold for the hour markers and hands.
—Allen Farmelo, Robb Report, 16 Apr. 2024
Additionally, study authors noted lower inflammatory markers and fewer depressive symptoms among participants, as well as greater thickness of their temporal cortexes.
—Lauryn Higgins, Health, 16 Apr. 2024
The markers, meanwhile, should be made more difficult to remove.
—Mekela Panditharatne, TIME, 10 Apr. 2024
After making the comment at the hotel, Celestine entered the interstate near mile marker 112 and drove westbound, the highway patrol said.
—Antonio Planas, NBC News, 9 Apr. 2024
The group’s population is diverse, growing and constantly changing, as are the attitudes on the markers of Latino identity.
—Cerys Davies, Los Angeles Times, 10 Apr. 2024
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'marker.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near marker
Cite this Entry
“Marker.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/marker. Accessed 25 Apr. 2024.
Copy CitationKids Definition
marker
noun
mark·er
ˈmär-kər 
1
: one that marks
2
: something used for marking
Medical Definition
marker
noun
mark·er
ˈmär-kər
: something that serves to identify, predict, or characterize
a surface marker on a cell that acts as an antigen
: as
a
: biomarker
The recent discovery of a serological marker for the hepatitis C virus has greatly improved diagnostic accuracy for this form of hepatitis.—Gary P. Wormser, letter in The Journal of the American Medical Association
Gary P. Wormser, letter in The Journal of the American Medical Association
b
: genetic marker
The idea in genetic linkage analysis is to see if any particular marker, which serves as a signpost for a specific region of a chromosome, is consistently inherited along with the disease …—Leslie Roberts, Science
Leslie Roberts, Sciencecalled also marker gene
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