Ce·​tus ˈsē-təs How to pronounce Cetus (audio)
: an equatorial constellation south of Pisces and Aries

Examples of Cetus in a Sentence

Recent Examples on the Web In 1983, Mullis, then a chemist with the biotech company Cetus, came up with a way to isolate tiny stretches of a few hundred nucleotides along a DNA strand and replicate them millions of times over, so they could easily be read by scientists. Jeffrey Kluger, Discover Magazine, 11 Nov. 2019 To catch it at its brightest, use a pair of binoculars or a small telescope and look toward the constellation Cetus in the evenings up to and after the 17th. Michael D'estries, Treehugger, 30 June 2023

These examples are programmatically compiled from various online sources to illustrate current usage of the word 'Cetus.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.

Word History


Latin (genitive Ceti), literally, whale

First Known Use

1675, in the meaning defined above

Time Traveler
The first known use of Cetus was in 1675

Dictionary Entries Near Cetus

Cite this Entry

“Cetus.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Cetus. Accessed 20 Jun. 2024.

Kids Definition


Ce·​tus ˈsēt-əs How to pronounce Cetus (audio)
: a group of stars seen above the equator and south of Pisces and Aries

Latin, literally, "whale"

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