SIGNBOARD
signboard, sign
(noun) structure displaying a board on which advertisements can be posted; “the highway was lined with signboards”
Source: WordNet® 3.1
Etymology
Noun
signboard (plural signboards)
(US) A board carrying a sign, or on which signs may be posted.
Synonyms
• noticeboard
Anagrams
• adsorbing, boardings
Source: Wiktionary
Sign"board`, n.
Definition: A board, placed on or before a shop, office, etc., on which
ssome notice is given, as the name of a firm, of a business, or the
like.
Source: Webster’s Unabridged Dictionary 1913 Edition