Old World wild swine having a narrow body and prominent tusks from which most domestic swine come; introduced in United States
an uncastrated male hog
- He aimed at the boar and fired.
- He was attacked by a wild boar.
- He encounter boar, wild dog, and wolves in the woods.
- Do not house gilts near stimulus boar.
- If the horse had bolted, the boar would have caught it in a flash.