Whaler (noun)

A ship or boat that is used for hunting and catching whales.

Origin:

Whale + -er.

Examples:

1. The whaler set sail in search of a sperm whale.
2. He worked as a harpooner on a whaler for many years.
3. The whaler was equipped with a tryworks for rendering the whale oil.
4. The whaler was a dangerous job with high mortality rates.
5. The whaler returned to port with a full cargo of whale oil and bone.