The term 'roost' can be defined as a place where birds or other animals rest or sleep. The crossword solutions for this term are 'DWELL, ' 'LIGHT, ' 'LAND, ' 'SIT, ' 'NEST, ' and 'PERCH.' 'DWELL' is a verb meaning to live in a particular place, while 'LIGHT' is an adjective describing something that is not heavy or difficult. 'LAND' is a noun referring to a large area of ground, while 'SIT' is a verb meaning to be in a position in which the upper body is upright and the legs are supported by some object. 'NEST' is a noun referring to a structure built by a bird or other animal for protection and breeding, and 'PERCH' is a verb meaning to rest or settle on a branch or other support.