(of a ratio or proportion) Nine-to-one; (in 1729 quot.) imprecisely, with any number of aliquot parts over. / (construed with to) Nine times greater or larger than. / Nine times as great or as numerous.

(rare, music) Nine beats per measure. / The product of multiplying a given number by nine.

(transitive, rare) Make nine times greater; multiply by nine.

(obsolete, rare) Multiplication by nine.