DO n. 2 definitions
A syllable attached to the first tone of the major diatonic scale for the purpose of solmization, or solfeggio. It is the first of the seven syllables used by the Italians as manes of musical tones, and replaced, for the sake of euphony, the syllable Ut, applied to the note C. In England and America the same syllables…
DOMINICAL a.
tter, the letter which, in almanacs, denotes Sunday, or the Lord's day (dies Domini). The first seven letters of the alphabet are used for this purpose, the same letter standing for Sunday during a whole year (except in leap year, when the letter is changed at the end of February). After twenty-eight years the same let…