Definition of "signpost" [sign•post]

• A post supporting a sign that has information or directions. (noun)
• An indication, sign, or guide. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Most of the railway stations of Mexico were solidly built and any that merit an Est. signpost from the main highway are almost certainly still well worth visiting."
• "I have replied, but you have to click on the arrow to page 2 of the comments to see: the signpost is not very clear I am afraid."
• "Snowscapes, where every familiar signpost is missing."