(1):
(n.) That in which any person or thing welters, or wallows; filth; mire; slough.
(2):
(n.) A rising or falling, as of waves; as, the welter of the billows; the welter of a tempest.
(3):
(a.) Of, pertaining to, or designating, the most heavily weighted race in a meeting; as, a welter race; the welter stakes.
(4):
(v. i.) To wither; to wilt.
(5):
(v. i.) To rise and fall, as waves; to tumble over, as billows.
(6):
(v. i.) To roll, as the body of an animal; to tumble about, especially in anything foul or defiling; to wallow.