What does the word bait mean?

Usage examples for bait

  1. That night, as Billy had promised them, they had their first trout for supper, which Billy brought in after a short sneak among the willows with a stick for a rod and a grasshopper for bait. – The Young Alaskans on the Missouri by Emerson Hough
  2. Yes, the duped husband, when being fished for with the rod of seeming simplicity and concealed character, and quickly caught on the hook of ingenuity, with deception for a bait, was altogether unable to fathom its shallowest meaning. – Irene Iddesleigh by Amanda McKittrick Ros
  3. This was the danger- this bait. – Romance by Joseph Conrad and F.M. Hueffer