| Signboard (n.) A board, placed on or before a shop, office, etc., on which some notice is given, as the name of a firm, of a business, or the like. Thesaurus Entries arrow, blaze, compass needle, direction, direction post, finger post, fist, guide, guideboard, guidepost, hand, hour hand, index, index finger, lead, lubber line, milepost, minute hand, needle, pointer, signpost |