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Related to leave on: lean on
leave something on
1. to continue to wear some article of clothing. I think I will leave my coat on. It's chilly in here. I'll leave on my coat.
2. to allow something [that can be turned off] to remain on. Who left the radio on? Please leave on the light for me.
leave something on someone or something
to allow something to remain on someone or something. Leave the coats on the children. We are taking them out to a movie almost immediately. Who left this book on the table?
1. To continue wearing something: I accidentally left my watch on when I went swimming. There's broken glass on the floor, so leave on your shoes.
2. To have something remain operational, switched to an on position: She leaves the radio on all night when she goes to sleep. He left on some lights because he knew he'd return after dark.