litter
noun
the offspring at one birth of a multiparous mammal
rubbish carelessly dropped or left about (especially in public places)
conveyance consisting of a chair or bed carried on two poles by bearers
material used to provide a bed for animals
verb
strew
“Cigar butts littered the ground”
make a place messy by strewing garbage around
give birth to a litter of animals
Source: WordNet 3.1, Princeton University