signboard(redirected from Sign-board)
Also found in: Dictionary, Thesaurus.
a board carrying a sign or notice, esp one used to advertise a product, event, etc.
1. A display board or surface used for directions, identification, instructions, or advertising; usually consists of lettering, pictures, diagrams, decoration, etc., often in combination, on a contrasting background surface.
2. According to OSHA: a warning of hazard, temporarily or permanently affixed or placed, at a location where a hazard exists.