Mathematics. using or pertaining to systems of coordinates.

Grammar. of the same rank in grammatical construction, as Jack and Jill in the phrase Jack and Jill, or got up and shook hands in the sentence He got up and shook hands.

noun

a person or thing of equal rank or importance; an equal.

Mathematics. any of the magnitudes that serve to define the position of a point, line, or the like, by reference to a fixed figure, system of lines, etc.

coordinates,articles of clothing, furniture, or the like, harmonizing in color, material, or style, designed to be worn or used together.

verb (used with object),co·or·di·nat·ed,co·or·di·nat·ing.

to place or class in the same order, rank, division, etc.

to place or arrange in proper order or position.

to combine in harmonious relation or action.

verb (used without object),co·or·di·nat·ed,co·or·di·nat·ing.

1640s, "of the same order," from Medieval Latin coordinatus, past participle of coordinare "to set in order, arrange" (see coordination). Meaning "involving coordination" is from 1769. Related: Coordinance.

coordinate

n.

1823, in the mathematical sense, especially with reference to the system invented by Descartes; from coordinate (adj.). Hence, coordinates as a means of determining a location on the earth's surface (especially for aircraft), attested by 1960.

coordinate

v.

1660s, "to place in the same rank," from Latin coordinare (see coordination). Meaning "to arrange in proper position" (transitive) is from 1847; that of "to work together in order" (intransitive) is from 1863. Related: Coordinated; coordinating.

One of a set of numbers that determines the position of a point. Only one coordinate is needed if the point is on a line, two if the point is in a plane, and three if it is in space.

A set of numbers, or a single number, that locates a point on a line, on a plane, or in space. If the point is known to be on a given line, only one number is needed to locate it. If the point is known to be on a given plane, two numbers are needed. If the point is known to be located in space, three numbers are needed.