zoo

1 of 2

noun

plural zoos
1
: a facility with usually indoor and outdoor settings where living, typically wild animals are kept especially for public exhibition

called also zoological garden, zoological park

2
: a place, situation, or group marked by crowding, confusion, or unrestrained behavior
The convention was a zoo.

zoo-

2 of 2

combining form

variants or before a vowel zo-
1
: animal : animal kingdom or kind
zooid
zoology
2
: motile
zoospore

Examples of zoo in a Sentence

Noun The sixth grade classroom was a zoo after recess. The supermarket was a real zoo on the night before the storm.
Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Noun
According to the zoo, the good-natured gorillas often run backwards, play in water, or slide down wet hillsides. Allison Moses, USA Today, 7 May 2025 Christopher Clark reports from France where, only 30 years ago, members of an African music troupe were exhibited at a zoo, alongside animals, and asked to perform for visitors. The Dial, 6 May 2025 All the zoo's energy comes from renewable sources, and managers are working to phase out gas usage. Christopher Elliott, Forbes.com, 3 May 2025 That is followed by a pie chart, showing 65 percent of children chose the theme park, and an equal amount chose the zoo and the theater. Thomas G. Moukawsher, MSNBC Newsweek, 25 Apr. 2025 See All Example Sentences for zoo

Word History

Etymology

Noun

short for zoological garden

Combining form

borrowed from Greek zōo-, zōio-, combining form from zôion "animal," derivative from the base of zṓō, zṓein (Homeric), zô, zên (Attic) "to be alive, live," going back to Indo-European *gwi̯éh3-(u)- "live" (whence also Tocharian B śāyau "[I] live"), full grade of a stem attested elsewhere with zero grade as *gwih3-u-, whence Latin vīvō, vīvere "to live," Old Church Slavic živǫ, žiti, Old Prussian giwa "(s/he) lives," Latvian dzīvu "(I) live," Sanskrit jīvati "(s/he) lives," Avestan juuaiti

Note: See also bio-, quick entry 1.

First Known Use

Noun

1835, in the meaning defined at sense 1

Time Traveler
The first known use of zoo was in 1835

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Cite this Entry

“Zoo.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/zoo. Accessed 12 May. 2025.

Kids Definition

zoo

noun
plural zoos
: a garden or park where living usually wild animals are kept for showing to the public

More from Merriam-Webster on zoo

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