marker

Meanings

1. 1
   noun

   A pen with a thick, felt tip used for writing or drawing.

   She used a red marker to highlight the important dates.

2. 2
   noun

   An object or sign used to show a position or boundary.

   A stone marker showed where the old castle once stood.

3. 3
   noun

   A sign or event that shows or proves something.

   Graduation is an important marker of independence for many students.

From mark + -er.

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