Litter  —n. 1 a refuse, esp. Paper, discarded in a public place. B odds and ends lying about. 2 young animals brought forth at one birth. 3 vehicle containing a couch and carried on men's shoulders or by animals. 4 a kind of stretcher for the sick and wounded. 5 straw etc., as bedding for animals. 6 granulated material for use as an animal's, esp. A cat's, toilet indoors. —v. 1 make (a place) untidy with refuse. 2 give birth to (whelps etc.). 3  a provide (a horse etc.) With litter as bedding. B spread straw etc. On (a stable-floor etc.). [latin lectus bed]