Makes a soft, high-pitched neighing sound like a horse; the plural noun form of a horse's gentle cry.
From Middle English 'whinnyng,' likely imitative (imitating the actual sound). Onomatopoeia—words that sound like what they mean—are common in animal sounds across languages.
Horses whinny to communicate with each other over distance, and each horse has a unique whinny like a fingerprint. Scientists can identify individual horses just by hearing them, and horses can recognize each other across pastures they've never even seen.
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