cataract.
A (large) waterfall, specifically one flowing over the edge of a cliff.
Meaning & usage
A (large) waterfall, specifically one flowing over the edge of a cliff.
The cataracts on the Nile helped to compartment Upper Egypt.
A flood of water; specifically, steep rapids in a river.
An overwhelming downpour or rush; a flood.
His cataract of eloquence
A type of governor used in single-acting steam engines, where a flow of water through an opening regulates the stroke.
Synonym of waterspout (“a whirlwind that forms over water”).
Where this word comes from
PIE word *ḱóm The noun is derived from cataracts (noun (plural only)), from Late Middle English cataract, cataracta, cateract, cateracte (“floodgate of heaven”), from Old French cataracte (modern French cataracte), and from its etymon Latin cataracta (“floodgate; waterfall”), from Ancient Greek καταρ(ρ)άκτης (katar(rh)áktēs, “(noun) waterfall; (adjective) rushing downwards”), from καταρ(ρ)ᾱ́σσω (katar(rh)ā́ssō, “to pour down; to rush downwards”) + -της (-tēs, suffix forming nouns denoting a state of being). Καταρ(ρ)ᾱ́σσω (Katar(rh)ā́ssō) is derived either: * from κᾰτᾰ- (kătă-, prefix meaning ‘downwards’) + ἀρᾰ́σσω (arắssō, “to dash to pieces; to strike”) (further etymology unknown, possibly onomatopoeic) or ῥᾱ́σσω (rhā́ssō, “to dash; to strike”) (possibly ultimately from Proto-Indo-European *wreh₂ǵʰ- (“to pound, strike”)); or * from καταρρηγνύναι (katarrhēgnúnai, “to break down”). The verb is derived from the noun.
Of a river, etc.: to fall in the form of a waterfall.
To cause (something) to pour or rush like a waterfall.
Where this word comes from
PIE word *ḱóm The noun is derived from cataracts (noun (plural only)), from Late Middle English cataract, cataracta, cateract, cateracte (“floodgate of heaven”), from Old French cataracte (modern French cataracte), and from its etymon Latin cataracta (“floodgate; waterfall”), from Ancient Greek καταρ(ρ)άκτης (katar(rh)áktēs, “(noun) waterfall; (adjective) rushing downwards”), from καταρ(ρ)ᾱ́σσω (katar(rh)ā́ssō, “to pour down; to rush downwards”) + -της (-tēs, suffix forming nouns denoting a state of being). Καταρ(ρ)ᾱ́σσω (Katar(rh)ā́ssō) is derived either: * from κᾰτᾰ- (kătă-, prefix meaning ‘downwards’) + ἀρᾰ́σσω (arắssō, “to dash to pieces; to strike”) (further etymology unknown, possibly onomatopoeic) or ῥᾱ́σσω (rhā́ssō, “to dash; to strike”) (possibly ultimately from Proto-Indo-European *wreh₂ǵʰ- (“to pound, strike”)); or * from καταρρηγνύναι (katarrhēgnúnai, “to break down”). The verb is derived from the noun.
Synonym of portcullis (“a gate in the form of a grating which is lowered into place at the gateway of a castle, a fort, etc.”); also, a window grating.
A clouding of the lens in the eye leading to a decrease in vision.
A clouding of the lens in the eye leading to a decrease in vision. Something which obscures.
A tool used for breaking flax; a brake.
Where this word comes from
From Late Middle English cataract, cataracta, cateract, cateracte (“(medicine) clouding of the lens in the eye”), from Old French cataracte (“clouding of the lens in the eye”), and then either: * from its etymon Latin cataracta (“portcullis”) (in the sense of something blocking vision as a portcullis blocks a gateway), from Ancient Greek καταρ(ρ)άκτης (katar(rh)áktēs, “act of rushing down; portcullis”) (see further at etymology 1); or * from clāthrāta (in fenestra clāthrāta (“window grating”)), an inflected form of clāthrātus (“grated, latticed, clathrate”), from clāthrī (“grate, lattic”) + -ātus (suffix denoting possession of something, forming adjectives from nouns). Clāthrī is derived from Doric Greek κλᾷθρα (klāîthra), ultimately from Proto-Indo-European *(s)kleh₂w- (“crook, hook; peg; to close something”).
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Definitions, grammatical labels, IPA, etymology and examples: Wiktionary contributors, extracted by Kaikki / Wiktextract. Adapted under CC BY-SA 4.0. Selected fields and authored examples are shown; third-party quotations and audio are omitted. See contributor history.
Last enriched 2026-09-10. Definitions are in English. Romanizations are shown when supplied by the source; syllable estimates are omitted for unsupported scripts.