whoop /(h)woop or hoop/, also hoop /hoop/

1. A loud eager cry
2. A Native American war cry
3. A form of hide-and-seek
4. /oop or hoop/ the long noisy inspiration heard in whooping cough

1. To give a loud cry of triumph, eagerness, scorn, etc
2. To hoot

1. To cheer or insult with shouts
2. To summon, or to urge on, by whooping

Ho!

whoopˈer noun

1. Someone who or something that whoops
2. A whooping swan or whooping crane (also hoopˈer)

whoopˈing noun and adjective

whooper swan noun

A swan (Cygnus cygnus) with a whooping call, common in N Europe and Asia

whooping cough or hooping cough noun

Pertussis, an infectious and epidemic disease, mostly attacking children, characterized by catarrh of the respiratory tract with bouts of violent coughing that end in a long gasping inspiration

whooping crane noun

An American crane (Grus americana)

whooping swan noun

A whooper swan

whoop it up (informal)

To indulge in noisy boisterous amusements or celebrations

• observation cars
• observation post
• observation posts
• observations
• observative
• observator
• observatories
• observators
• observatory
• observe
• observed
• observer
• observers
• observes
• observing
• observingly
• obsess
• obsessed
• obsesses
• obsessing
• obsession
• obsessional
• obsessionally
• obsessionist
• obsessionists