adj · noun · 4 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.
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Pronunciation
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UK:/ˈkwɔːtən/
US:/ˈkwɔɹtən/
rhymes with -ɔː(ɹ)tən
1
adj
Meaning 1
Recurring every four days; especially in designating a form of malaria with such symptoms.
Definition source: English Wiktionary via Wiktextract
Usage: not-comparable
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
2
noun
Meaning 2
A fever whose symptoms recur every four days.
Definition source: English Wiktionary via Wiktextract
Usage: historical
Topics: medicine, sciences
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
3
adjective
Meaning 3
occurring every fourth day (especially the fever and weakness of malaria)
Definition source: Princeton WordNet 3.0
Examples
quartan malaria
Meaning relationships
Synonyms: none provided
Antonyms: none provided
4
noun
Meaning 4
a malarial fever that recurs every fourth day
Definition source: Princeton WordNet 3.0
No example sentence was provided for this meaning.
Meaning relationships
Synonyms: none provided
Antonyms: none provided
Broader terms: ague, chills and fever
History
Etymology
From Anglo-Norman quartaine, Old French quartaine, from Latin quartāna (short for febris quartana), noun use of feminine form of quartānus (“recurring every four days”), from quartus (“fourth”).