4 - Wikipedia
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.
FOUR Definition & Meaning - Merriam-Webster
The meaning of FOUR is a number that is one more than three. How to use four in a sentence.
FOUR definition in American English | Collins English Dictionary
something representing, represented by, or consisting of four units, such as a playing card with four symbols on it
FOUR | definition in the Cambridge English Dictionary
Idiom on all fours (Definition of four from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
Four Definition & Meaning - YourDictionary
Four definition: The cardinal number equal to 3 + 1.
Four – meaning, definition, etymology, examples and more<br ...
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 …
Four - definition of four by The Free Dictionary
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.