Definition of "whooper" [whoop•er]

• A whooping crane. (noun)
• An Old World swan (Cygnus cygnus) having a loud cry. (noun)

American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

• "Wang Fudong/Xinhua/Zumapress.com A flock of whooper swan sought food at a nature reserve in Rongcheng, China's Shandong province, Monday."
• "More than 3,000 whooper swans have settled there for winter."
• "Xinhua/Zuma Press SWAN RESERVE: A flock of whooper swans sought food at a nature reserve in Rongcheng, Shandong Province, China, Monday."