The meaning of FOUR is a number that is one more than three. How to use four in a sentence.

A four-sided plane figure is a quadrilateral or quadrangle, sometimes also called a tetragon. It can be further classified as a rectangle or oblong, kite, rhombus, and square.

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Idiom on all fours (Definition of four from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)

something representing, represented by, or consisting of four units, such as a playing card with four symbols on it

Feb 23, 2026 · Describing a set or group with four elements. four (countable and uncountable, plural fours) (countable) The digit or figure 4; an occurrence thereof. (countable) Anything measuring four …

Jul 8, 2025 · Unpack the meaning of "four" in our comprehensive glossary entry. Discover its etymology from Proto-Indo-European, explore definitions, common phrases, and real-world examples across …

/fɔ/ IPA guide Other forms: fours Definitions of four noun the cardinal number that is the sum of three and one synonyms: 4, IV, Little Joe, foursome, quadruplet, quartet, quatern, quaternary, quaternion, …

noun Something having four parts, units, or members, such as a musical quartet or a four-cylinder engine. idiom (all fours) All four limbs of an animal or person.

four definition: the number after three and before five. Check meanings, examples, usage tips, pronunciation, domains, and related words. Discover expressions like "in the four corners of", "four …