lit·ter¹/`lɪtə; ˈlɪtə/ n 1 [U] pieces of waste paper etc that people leave on the ground 〔扔在地上的〕垃圾，废物: Anyone caught dropping litter will be fined. 乱拋垃圾要罚款。 2 [C] a group of baby animals born at the same time to one mother 一窝〔小动物〕: a litter of kittens 一窝小猫