Whinny

And moving out they found the stately horse, / Who now no more a vassal to the thief, / But free to stretch his limbs in lawful fight, / Neigh'd with all gladness as they came, and stoop'd / With a low whinny toward the pair: […]

When my wife and I heard a plaintive whinny from our laundry room the other day, we knew that our old dryer had cycled its last load.

Cattle lowed here and there, and horses whinnied to be fed.

A pony whinnied a short distance from the hut.

[John Gray] whinnies like a donnish Houyhnhnm[.]