An implement, especially a felt-tipped pen, used for marking or writing.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "marker" in a sentence
"Avery Dennison Corp., the label marker in Pasadena, California, may boost to 25 cents from 20 cents as fourth- quarter profit is estimated to more than double from a year earlier."
"When he comes out he shows me he's managed to grab a marker off of a ten-foot-high shelf without anything that could be used as a ladder, and he's grabbed another marker from an elaborate obstacle course I've rigged to require great speed and agility to navigate in time before the marker is automatically locked away."
"A Cambridge-based company has created cheap, smart tags that can beam website links to mobile phones to give people more information about the poster, advert or shop the marker is attached to."