intransitive verb

1. 1. to roll about or wallow, as a pig does in mud
   2. to be deeply involved to welter in work
2. to be soaked, stained, or bathed to welter in blood
3. to tumble and toss about: said as of the sea

Etymology: ME weltren < MDu welteren, freq. formation akin to OE wealtan, to roll, boil up: for IE base see well

noun

1. a tossing and tumbling, as of waves
2. a confusion; turmoil