intransitive verb

1. to roll about or lie relaxed, as in mud, dust or water
2. to move heavily and clumsily; roll and pitch, as a ship
3. to live or indulge oneself to an immoderate degree (in a specified thing, condition, etc.) to wallow in self-pity
4. to surge or billow

Etymology: ME walwen < OE wealwian, to roll around < PGmc *walw- < IE *wolw- < base *wel- > walk

noun

1. the act or an instance of wallowing
2. ☆ a muddy or dusty place in which animals wallow
3. ☆ a pit or depression produced by animals' wallowing