|part of speech:
||something that marks or indicates, such as a gravestone.
||something used to mark or write with, such as a crayon or grease pencil.
||one who grades schoolwork.
||(slang) in gambling, a written promise to pay.
||a felt-tipped or other pen that produces thick lines of ink, used for marking and writing.
She wrote his name with a blue marker in big letters across the top of the poster.
||buoy, landmark, monument, pen