Marker ( noun , verb )

(As a noun)

Marker ( noun )

1. A person or thing that marks.
2. An implement for making marks, as a pen, pencil, or brush.
3. A device for making marks, as a pen or pencil.
4. An object used to mark a location, such as a flag or a marker buoy.
5. A marker gene is a gene that can be used as a tool to identify a particular cell type or stage of development.

Origin:

Middle english market, from old english mearc boundary, sign, from germanic *marka-.

Examples:

1. She used a marker to write on the whiteboard.
2. I lost my marker and I can't draw.
3. He marked the map with a marker.
4. She was looking for a marker to mark her place in the book.
5. A marker gene is often used in genetic engineering to track the movement of a specific gene.

(As a verb)

Marker ( verb )

1. A person or thing that marks.
2. An implement for making marks, as a pen, pencil, or brush.
3. A device for making marks, as a pen or pencil.
4. An object used to mark a location, such as a flag or a marker buoy.
5. A marker gene is a gene that can be used as a tool to identify a particular cell type or stage of development.

Origin:

Middle english market, from old english mearc boundary, sign, from germanic *marka-.

Examples:

1. She used a marker to write on the whiteboard.
2. I lost my marker and I can't draw.
3. He marked the map with a marker.
4. She was looking for a marker to mark her place in the book.
5. A marker gene is often used in genetic engineering to track the movement of a specific gene.