What does the word Whoa mean?

Usage examples for Whoa

  1. Top a minute, Margie; I'll fix the reins for you, he cried; and he went to the pony's head, and patted him, and said, Whoa, sir, whoa! – Little Frankie at His Plays by Madeline Leslie
  2. He heard the clatter of hoofs and shouts of " Whoa!" – Cap'n Warren's Wards by Joseph C. Lincoln