boars

"The farmer saw several boars rooting in his garden, searching for food. "

"The farmer kept several boars to breed with his female pigs. "

"The farmer warned us to stay away from the enclosure because it contained several aggressive boars. "

"I think you have provided the wrong definition. A male bear is called a "boar." A "boar" is a male pig.

Here is a sentence using the correct definition:

The farmer kept two boars to breed with his sows. "

"My daughter has two guinea pigs; the larger one is a female and the smaller one is one of the boars. "