Hacksaw (noun)

1. A saw with a thin, narrow blade for cutting metal or other hard materials.
2. A type of hand-held saw with a narrow blade and a handle at each end, used for cutting metal or other hard materials.

Origin:

Compound word hack + saw, from the saw's ability to hack or cut through materials.

Examples:

1. He used a hacksaw to cut through the steel pipe.
2. The carpenter used a hacksaw to cut the wooden dowel.
3. A hacksaw is a saw with a thin, narrow blade for cutting metal or other hard materials.
4. Hacksaws are typically used for cutting metal, but can also be used for cutting other hard materials such as plastic and ceramics.
5. Hacksaws are often used in construction and metalworking, as well as in DIY projects.