(n.) A part considered comparatively; a share.
(n.) Harmonic relation between parts, or between different things of the same kind; symmetrical arrangement or adjustment; symmetry; as, to be out of proportion.
(n.) The equality or similarity of ratios, especially of geometrical ratios; or a relation among quantities such that the quotient of the first divided by the second is equal to that of the third divided by the fourth; -- called also geometrical proportion, in distinction from arithmetical proportion, or that in which the difference of the first and second is equal to the difference of the third and fourth.
(n.) The portion one receives when a whole is distributed by a rule or principle; equal or proper share; lot.
(n.) The relation or adaptation of one portion to another, or to the whole, as respect magnitude, quantity, or degree; comparative relation; ratio; as, the proportion of the parts of a building, or of the body.
(n.) The rule of three, in arithmetic, in which the three given terms, together with the one sought, are proportional.
(v.) To adjust in a suitable proportion, as one thing or one part to another; as, to proportion the size of a building to its height; to proportion our expenditures to our income.
(v.) To divide into equal or just shares; to apportion.
(v.) To form with symmetry or suitableness, as the parts of the body.