razor

noun
UK /ˈreɪ.zər/
US /ˈreɪ.zɚ/

A razor is a sharp tool used to cut hair off your skin.

Dad used a razor to shave his beard this morning.


OTHER MEANINGS

2. A sharp-edged cutting instrument used in crafts or industry.

The craftsperson used a razor to trim the paper edges.

3. A device or machine with a sharp edge for cutting materials.

The machine's razor sliced the fabric into thin strips.

4. A very sharp or keen quality, often used figuratively.

Her razor wit kept everyone laughing during the debate.