1 the relationship between different things or parts with respect to comparative size, number, or degree; relative magnitude or extent; ratio
2 the correct or desirable relationship between parts of a whole; balance or symmetry
3 a part considered with respect to the whole
4 pl dimensions or size
a building of vast proportions
5 a share, part, or quota
6 (Maths) a relationship that maintains a constant ratio between two variable quantities
x increases in direct proportion to y
7 (Maths) a relationship between four numbers or quantities in which the ratio of the first pair equals the ratio of the second pair
8 to adjust in relative amount, size, etc.
9 to cause to be harmonious in relationship of parts
(C14: from Latin proportio (a translation of Greek analogia), from phrase pro portione, literally: for (its, his, one's) portion)
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