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  • rhea
    rhea
    noun
    the ramie plant or fiber.
  • Rhea
    Rhea
    noun
    a Titan, the daughter of Uranus and Gaia, the wife and sister of Cronus, and the mother of Zeus, Poseidon, Hera, Hades, Demeter, and Hestia: identified with Cybele and, by the Romans, with Ops.
  • -rhea
    -rhea
    variant of -rrhea.

rhea

1 American  
[ree-uh] / ˈri ə /

noun

rheas plural
  1. the ramie plant or fiber.


Rhea 2 American  
[ree-uh] / ˈri ə /

noun

  1. Classical Mythology. a Titan, the daughter of Uranus and Gaia, the wife and sister of Cronus, and the mother of Zeus, Poseidon, Hera, Hades, Demeter, and Hestia: identified with Cybele and, by the Romans, with Ops.

  2. Astronomy. one of the moons of Saturn.

  3. (lowercase) either of two South American, ratite birds, Rhea americana or Pterocnemia pennata, resembling the African ostrich but smaller and having three toes.

  4. a female given name.


-rhea 3 American  
  1. variant of -rrhea.


Rhea 1 British  
/ ˈrɪə /

noun

  1. Roman counterpart: OpsGreek myth a Titaness, wife of Cronus and mother of several of the gods, including Zeus: a fertility goddess

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Rhea 2 British  
/ ˈrɪə /

noun

  1. the second largest satellite of the planet Saturn

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

rhea 3 British  
/ ˈrɪə /

noun

  1. either of two large fast-running flightless birds, Rhea americana or Pterocnemia pennata , inhabiting the open plains of S South America: order Rheiformes . They are similar to but smaller than the ostrich, having three-toed feet and a completely feathered body See ratite

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Noun Inflected Forms

Etymology

Origin of rhea1

First recorded in 1850–55, rhea is from the Assamese word rihā

Origin of Rhea2

First recorded in 1700–10; from Latin Rhea, from Greek Rhéa; further origin uncertain

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

Their peer-reviewed paper on rhea will be presented at the International Society for Computational Biology's annual conference, which will take place July 12-16 in Montreal.

From Science Daily May 7, 2024

The rhea, nicknamed Chris, escaped from a farm in Diss, Norfolk, in November.

From BBC Apr. 7, 2024

The group took custody of several dozen animals, including a five-month-old, female South American ostrich — or lesser rhea — named Eddy found in the crowded basement.

From Seattle Times Jan. 26, 2024

The Tehuelche were innovators, too: Outsiders marveled at their bolas, weighted rope snares they swung and launched from horseback to hunt llamalike guanaco and flightless rhea birds.

From Science Magazine Dec. 7, 2023

Darwin’s rhea is less in size, but very similar in colour, form, and habits.

From The Young Yagers A Narrative of Hunting Adventures in Southern Africa by Reid, Mayne

"Pluribus" star Rhea Seehorn, who won a Golden Globe and a Critics Choice Award earlier this year for the show, is an early favorite for the Emmy for best drama actress.

From Barron's Jul. 8, 2026

Kathy Bates, “Matlock” “Emmy voters took their sweet time in recognizing the standout work of Rhea Seehorn on ‘Better Call Saul.’

From Los Angeles Times May 21, 2026

Performance by a female actor in a television series — drama Kathy Bates, “Matlock” Britt Lower, “Severance” Helen Mirren, “MobLand” Bella Ramsey, “The Last of Us” Keri Russell, “The Diplomat” Rhea Seehorn, “Pluribus”

From Los Angeles Times Jan. 11, 2026

“The U.S. remains the destination for people who have the resources and need to go down that path,” said Margaret Wang, the CEO of the Thiel-backed venture, Rhea Fertility.

From The Wall Street Journal Dec. 16, 2025

What Masten and Rhea do is tell companies how to manipulate our first impressions, and it’s hard not to feel a certain uneasiness about their efforts.

From "Blink" by Malcolm Gladwell

Yet rheas only live in South America, and ostriches only live in Africa.

From Textbooks Jan. 1, 2018

In South America, Darwin saw flightless, ground-dwelling birds called rheas.

From Textbooks Jan. 1, 2018

Ostriches and emus are members of the ratites, a group of flightless birds that also includes rheas and kiwis.

From Scientific American Dec. 8, 2011

The ratites include African ostriches and emus, cassowaries, and kiwis, all of the South Pacific and greater and lesser rheas of South America.

From National Geographic

Darwin has hunted rheas in Patagonia, studied owls outside Buenos Aires, and scaled a waterfall in Tahiti.

From "All the Light We Cannot See" by Anthony Doerr

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