1. A confused multitude of things
   "The attic was a welter of old furniture, books, and forgotten mementos";
   - clutter, jumble, muddle, fuddle, mare's nest, smother, scramble

1. Toss, roll, or rise and fall in an uncontrolled way
   "The shipwrecked survivors weltered in the sea for hours"
    
2. Roll around
   "The dog weltered in the mud";
   - wallow
    
3. Be immersed in
   "welter in work"

Derived forms: weltering, weltered, welters

Type of: disorder, disorderliness, move, roll over, smother, surround

Encyclopedia: Welter, David