HORSE'S MOUTH

PRONUNCIATION: (HOR-ses/siz mouth)

MEANING: noun: The original or authentic source of some information.

ETYMOLOGY: The term has its origin in horse racing. If you wanted tips on how a horse was doing on a particular day, what better way than to hear it directly from the horse’s mouth? Earliest documented use: 1896.
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HORSE'S MONTH - May, when the Kentucky Derby is run (except this year)

HORSE SMOOTH - flawlessly even, like a well-trained thoroughbred's gait

GORSE'S MOUTH - what a thorny invasive bush eats with