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1. A very loud utterance (like the sound of an animal)
   "his hollo filled the hallway";
   - bellow, bellowing, holla [archaic], holler [informal], hollering [informal], holloa [rare], roar, roaring, yowl

1. Encourage somebody by crying hollo
    
2. Cry hollo
    
3. Utter a sudden loud cry
   "she holloed with pain when the doctor inserted the needle";
   - shout, shout out, cry, call, yell, scream, holler [informal], squall

Derived forms: holloes, holloed, holloing, hollos

Type of: call, cry, emit, encourage, let loose, let out, outcry, shout, utter, vociferation, yell

Encyclopedia: Hollo