What does the word squeal mean?

Usage examples for squeal

  1. Fellers knotted together in some underhand secret way o' communicatin' with each other, so that ef ye kick a Chinaman up here on the Summit, another Chinaman will squeal in the valley! – From Sand Hill to Pine by Bret Harte
  2. To squeal who's who round these rustler diggin's. – The Rustlers of Pecos County by Zane Grey