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releaser

[ri-lee-ser]
noun
  1. a person or thing that releases.
  2. Ethology. a key stimulus, as a sound, odor, moving shape, or patch of color, that elicits a predictable behavioral response in an animal.
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Origin of releaser

1425–75; late Middle English. See release, -er1
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for releaser

Historical Examples of releaser

  • One day she sang of Death the releaser, and Ruark thought, ''Tis come!

    The Shaving of Shagpat, Complete

    George Meredith

  • If such music-making is ever to become accepted, then I long for Death the Releaser.