1. lean-to - Noun
2. lean-to - Adjective
Having only one slope or pitch; -- said of a roof.
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.
Source: Webster's dictionarylean to
According to the woman’s son, the subject had planned to hike to the Howard lean-to near Johns Brook. Source: Internet
You will pass a lean-to before reaching the fire tower. Source: Internet
"I don't have to keep them enclosed in a barn or lean-to," he says. Source: Internet
The vicarage was added in 1922, and a lean-to addition was built in 1923. Source: Internet
WARCOP: Extension to existing single-storey lean-to storeroom, Warcop Hall, for Warcop Parish Council — Mr D. Keetley (18/0284). Source: Internet