The term DUCK DWELLING is a crossword solution that consists of two words, the first being NEST, which is a four-letter word. A NEST is a structure built by a bird, typically made of twigs and other materials, to provide a safe place for the bird to lay its eggs and raise its young. Ducks are known to build nests in shallow water or on land, often near a body of water. The second word in the crossword solution is DWELLING, which is an eight-letter word. A DWELLING is a place where someone lives, such as a house, apartment, or other type of residence. Therefore, the term DUCK DWELLING can be used to describe the home of a duck, which is typically a NEST built near a body of water.