1.an inclined channel or passage that something can slide down
2.a children's slide in a park or swimming pool
3.a snow- or ice-covered slope or channel for sports such as tobogganing or bobsledding
4.a waterfall, rapids, or steep descent in a river or stream
5.a narrow passageway through which animals are driven to be branded, sheared, loaded, dipped, or sprayed
6.a tube or a smooth narrow open surface that people or things slide down