Lean"-to` (?), a. Arch.

Having only one slope or pitch; -- said of a roof.

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n.

A shed or slight building placed against the wall of a larger structure and having a single-pitched roof; -- called also penthouse, and to-fall.

<-- a crude, usually temporary shelter comprising a lean-to roof braced against any convenient support, as a wall, a tree or a pole. The roof may extend all the way to the ground. -->

The outer circuit was covered as a lean-to, all round this inner apartment. De Foe.

 

© Webster 1913.