laserpen

noun
UK /ˈleɪzə pɛn/
US /ˈleɪzər pɛn/

A small pen-shaped tool that shines a bright, thin beam of light.

The teacher used a laserpen to point at the words on the board.


OTHER MEANINGS

2. A pen-shaped device used to read or scan barcodes.

The cashier waved the laserpen over each item at the checkout.

3. A handheld tool that emits a laser for marking or engraving surfaces.

He used a laserpen to engrave his name on the metal tag.

4. A small laser device used in optical experiments or demonstrations.

The students aimed the laserpen at the mirror to study reflection.