yammer

yammer
    v 1: cry loudly, as of animals; "The coyotes were howling in the
         desert" [syn: {howl}, {wrawl}, {yammer}, {yowl}]
    2: complain whiningly [syn: {whine}, {grizzle}, {yammer},
       {yawp}]
    

59 Moby Thesaurus words for "yammer":
      babble, bark, battle cry, bawl, bellow, call, caterwaul, chat,
      chatter, cheer, clack, creak, cry, gab, gabble, hail, halloo,
      holler, hollo, hoot, howl, hurrah, jaw, keen, pipe, prattle, pule,
      rallying cry, roar, screak, scream, screech, shout, shriek, shrill,
      skirl, skreigh, squall, squawk, squeak, squeal, ululate, ululation,
      wail, war cry, war whoop, whimper, whine, whistle, whoop, wrawl,
      yak, yap, yawl, yawp, yell, yelp, yo-ho, yowl