Making the high-pitched, neighing sound that horses make, usually as a form of communication or distress.
From Old English 'hwinsian,' meaning to whine or whistle. The word evolved to describe the characteristic sound horses produce, with the -ing suffix making it the present participle form.
Horses use whinnies like we use phone calls—each horse has a unique whinny that other horses recognize from far away, allowing them to locate friends and warn about danger without seeing each other.
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