n.
1.protective covering consisting, for example, of a layer of boards applied to the studs and joists of a building to strengthen it and serve as a foundation for a weatherproof exterior
Idiom of the Day
straighten out (someone or something) or straighten (someone or something) out
to cause someone's bad behavior to improve, to organize or fix something that is in confusion or disorder
I went to the bank to straighten out the problem with my credit card.