hippo

¹ American  

[hip-oh] / ˈhɪp oʊ /

noun

Informal.

plural

hippos

1. hippopotamus.

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Hippo ² American  

[hip-oh] / ˈhɪp oʊ /

noun

1. Hippo Regius.

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hippo- ³ American  

1. a combining form appearing in loanwords from Greek, where it meant “horse” (hippodrome ); on this model, used in the formation of compound words (hippology ).

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hippo British  

/ ˈhɪpəʊ /

noun

1. short for hippopotamus

2. an armoured police car

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Etymology

Origin of hippo¹

By shortening

Origin of hippo-³

< Greek: combining form of híppos; cognate with Latin equus, Old Irish ech, Old English eoh, Sanskrit aśvas, Lithuanian ašvà

Example Sentences

Craig Robinson joins the cast as Atlas, a cheerful talking GPS hippo toy, and Ernie Hudson arrives as Combat Carl, alongside Shelby Rabara as Snappy, an excitable toy camera.

From BBC • Feb. 20, 2026

Sotheby’s expected its Lalanne hippo copper bar cart to sell for up to $10 million last month.

From The Wall Street Journal • Dec. 17, 2025

Goat, hippo and duck-shaped hot air balloons floated in clear blue skies over war-ravaged Myanmar this week in a rare opportunity for escapism.

From Barron's • Nov. 1, 2025

Further genome-wide analysis showed that the European hippo population had extremely low genetic diversity, suggesting it was both small and geographically isolated.

From Science Daily • Oct. 26, 2025

Katie was seven months pregnant, possibly with a baby hippo.

From "Ungifted" by Gordon Korman