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.

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

Feb 9, 2026 · Players use the contents of their Pre-Rift Player Kit - a mini-preconstructed deck, five Spiritforged booster packs, and a promo card - to build their deck and compete in a three-round …

/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, …

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

WordReference Random House Learner's Dictionary of American English © 2025 four /fɔr/ n. [countable] a cardinal number, three plus one. a symbol for this number, as 4 or IV. adj. [before a …

1. The cardinal number equal to 3 + 1. 2. The fourth in a set or sequence. 3. Something having four parts, units, or members, such as a musical quartet or a four-cylinder engine.

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 …

3 days ago · 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 units, …