Dictionary.com
Thesaurus.com
Synonyms

signboard

American  
[sahyn-bawrd, -bohrd] / ˈsaɪnˌbɔrd, -ˌboʊrd /

noun

  1. a board bearing a sign.

signboard British  
/ ˈsaɪnˌbɔːd /

noun

  1. a board carrying a sign or notice, esp one used to advertise a product, event, etc

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Etymology

Origin of signboard

First recorded in 1625–35; sign + board

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.