Shop at your favorite retailers with flexible payments. Download the four app and split your purchases into four easy installments. Idiom on all fours (definition of four from the cambridge advanced learner's dictionary & thesaurus © cambridge university press)

It can be further classified as a rectangle or oblong, kite, rhombus, and square. Wordreference random house learner's dictionary of american english © 2025 four /fér/ n. [countable] a cardinal number, three plus one. A symbol for this number, as 4 or iv. [before a noun] … The meaning of four is a number that is one more than three. How to use four in a sentence.

[before a noun] … The meaning of four is a number that is one more than three. How to use four in a sentence.