go-by definition by Webster's New World
Webster's New World College Dictionary Copyright © 2010 by Wiley Publishing, Inc., Cleveland, Ohio. Used by arrangement with John Wiley & Sons, Inc.
Informal a passing by; esp., an intentional disregard or slight: chiefly in to slight (or be slighted)
go-by definition by American Heritage Dictionary
The American Heritage® Dictionary of the English Language, 4th edition Copyright © 2010 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
An intentional slight; a snub.
go-by - Phrases/Idioms
Elapse, pass, as in the popular song, “As Time Goes By” (by Herman Hupfeld, 1931), or He just went by our house. [c. 1600]
Ignore, fail to notice or take advantage of, as in You shouldn't let this opportunity go by. [Early 1500s] For the related go by the board, see by the board.
Rely on, believe, as in I'm going by the numbers on this list, or We'll have to go by what she tells us.
go by the name of. Be known by or use a specific name. For example, She continued to go by her maiden name, Mary Smith. [Late 1500s]