Open English Wordnet
Nouns
(n)proportionthe quotient obtained when the magnitude of a part is divided by the magnitude of the whole
(n)proportion, ratiothe relation between things (or parts of things) with respect to their comparative quantity, magnitude, or degree“an inordinate proportion of the book is given over to quotations”, “a dry martini has a large proportion of gin”
(n)proportion, proportionality, balanceharmonious arrangement or relation of parts or elements within a whole (as in a design)“in all perfectly beautiful objects there is found the opposition of one part to another and a reciprocal balance” (John Ruskin)
Verbs
(v)proportiongive pleasant proportions to“red brick with white stone dressings and a beautifully proportioned hall”