vi to rise and fall, as waves; to tumble over, as billows.
2. welter ·vi to wither; to wilt.
3. welter ·noun that in which any person or thing welters, or wallows; filth; mire; slough.
4. welter ·noun a rising or falling, as of waves; as, the welter of the billows; the welter of a tempest.
5. welter ·adj of, pertaining to, or designating, the most heavily weighted race in a meeting; as, a welter race; the welter stakes.
6. welter ·vi to roll, as the body of an animal; to tumble about, especially in anything foul or defiling; to wallow.