Entry 2 senses · 2 variants Webster, 1913 Hinny · Hin·ny · IPA /ˈhɪ.ni/ n. n. 01 n. A hybrid between a stallion and an ass; -- correlative of the mule. pl. Hinnies ((#)) 1. A hybrid between a stallion and an ass; -- correlative of the mule. 02 n. A term of endearment; darling; -- corrupted from honey. 1. A term of endearment; darling; -- corrupted from honey.[Prov. Eng.]