To make the crying sound of a cat.(verb-intransitive)
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.
Use "meow" in a sentence
"The expression "meow" is a string literal, and it is an lvalue."
"Just so you know – Katzenjammer cat’s meow is German for hangover."
"There can only be one Winston: D (His meow is adorable, by the way)"