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Meaning of lean-to

lean-to

Pronunciation: (lēn't"), [key]
— pl. -tos.
  1. a shack or shed supported at one side by trees or posts and having an inclined roof.
  2. a roof of a single pitch with the higher end abutting a wall or larger building. See illus. under
  3. a structure with such a roof.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.