Having a neck like a ewe's; said of horses in which the arch of the neck is deficient, being somewhat hollowed out.(adjective)
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Use "ewe-necked" in a sentence
"The ewe-necked gelding stopped in front of the shanty where a small light glowed in the window."
"Such a courser; all blood and bone, short-backed, broad-chested, and -- but that he was a little ewe-necked -- faultless in form and figure."
"Moorish horses are wiry little beasts, but you seldom see a handsome one: either they are ewe-necked or they fall away in the hindquarters; their feet are allowed to grow too long, and their legs are ruined through tight hobbling."