[1] : WordNet (r) 2.0

holler
     n 1: a very loud utterance like the sound of an animal; "his
          bellow filled the hallway" syn: bellow, bellowing,
          holla, hollering, hollo, holloa, roar, roaring,
           yowl
     2: a small valley between mountains; "he built himself a cabin
        in a hollow high up in the appalachians" syn: hollow
     v 1: shout out; "he hollered out to surrender our weapons" syn:
          holler out
     2: utter a sudden loud cry; "she cried with pain when the
        doctor inserted the needle"; "i yelled to her from the
        window but she couldn't hear me" syn: shout, shout out,
         cry, call, yell, scream, hollo, squall
     3: complain; "what was he hollering about?" syn: gripe, grouse,
         crab, beef, squawk, bellyache
see also:
bellow bellowing holla hollering hollo holloa 
roar roaring yowl hollow holler out 
shout shout out cry call yell 
scream squall gripe grouse crab 
beef squawk bellyache 

[2] : Moby Thesaurus II by Grady Ward, 1.0

109 moby thesaurus words for "holler":
   air a grievance, bark, battle cry, bawl, beef, beefing, bellow,
   bellyache, bellyaching, bitch, bitching, boggle, boycott, call,
   call in question, caterwaul, challenge, cheer, clamor, complain,
   complaining, complaint, crab, croak, cry, cry out against,
   demonstrate, demonstrate against, demur, destructive criticism,
   dispute, dissent, enter a protest, expostulate, faultfinding, fret,
   fret and fume, fuss, grievance, gripe, griping, groan, groaning,
   grouch, grouse, grousing, growl, grumble, grumbling, grunt, hail,
   halloo, hollo, hoot, howl, hurrah, kick, kicking,
   lodge a complaint, march, murmur, murmuring, mutter, object, peeve,
   peevishness, pet peeve, petulance, picket, press objections,
   protest, querulousness, raise a howl, rally, rallying cry,
   register a complaint, remonstrate, roar, scolding, scream, screech,
   scruple, shout, shriek, sit in, sniping, squall, squawk, squawking,
   squeal, state a grievance, strike, take on, teach in, vociferate,
   war cry, war whoop, whining, whoop, yammer, yap, yapping, yawl,
   yawp, yell, yell bloody murder, yelp, yo-ho, yowl

Holler >> H Words
Holler, definition of term: Holler
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