movable-do system: Meaning and Definition of

mov'a•ble-do' sys"tem

Pronunciation: (m'vu-bul-dō'), [key]
— Music. Music.
  1. a system of solmization in which the syllable do can be transposed to the tonic of any key. Cf.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.