Phrase guide

river horse

noun · 2 senses · updated from the 2026-07-25 local source snapshot

Definitions and examples are grouped by meaning. Pronunciation, history, word forms, translations, descendants, synonyms, antonyms, derived terms, and related words appear whenever the source provides them.

Sound

Pronunciation

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1

noun

Meaning 1

Hippopotamus.

Definition source: English Wiktionary via Wiktextract

Usage: uncommon

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: none provided

Antonyms: none provided

2

noun

Meaning 2

massive thick-skinned herbivorous animal living in or around rivers of tropical Africa

Definition source: Princeton WordNet 3.0

No example sentence was provided for this meaning.

Meaning relationships

Synonyms: hippopotamus, hippo, Hippopotamus amphibius

Antonyms: none provided

Broader terms: even-toed ungulate, artiodactyl, artiodactyl mammal

History

Etymology

Calque of Ancient Greek ἱπποπόταμος (hippopótamos). Compare Middle English water hors (“hippopotamus”). By surface analysis, river + horse.