scream·er /ˈskrimɚ/
 尖叫者;引人注目的
 Scream·er n. Zool. Any one of three species of South American birds constituting the family Anhimidae, and the suborder Palamedeae. They have two spines on each wing, and the head is either crested or horned. They are easily tamed, and then serve as guardians for other poultry. The crested screamers, or chajas, belong to the genus Chauna. The horned screamer, or kamichi, is Palamedea cornuta.
 2. Something so remarkable as to provoke a scream, as of joy. [Slang]
 3.  An exclamation mark. [Printer's Slang]
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 screamer
      n 1: someone who communicates vocally in a very loud voice [syn:
           roarer, bawler, bellower, screecher, shouter,
           yeller]
      2: a sensational newspaper headline
      3: gooselike aquatic bird of South America having a harsh
         trumpeting call
      4: a very hard hit ball [syn: scorcher]