Lookout(redirected from be lookout)
Also found in: Dictionary, Thesaurus, Legal.
A horizontal wood framing member that extends out from the studs to the end of rafters and overhangs a part of a roof, such as a gable.
1. A rafter or joist at the ridge of a roof that projects beyond an end wall of a building; may support the overhanging portion of the roof or cornice; also called a rafter lookout.
2. An elevated place or structure that provides a wide view for observation of the countryside, particularly against marauders.