'Semitone' definitions:
Definition of 'semitone'
From: WordNet
noun
The musical interval between adjacent keys on a keyboard instrument [syn: semitone, half step]
Definition of 'Semitone'
From: GCIDE
- Semitone \Sem"i*tone\, n. [Pref. semi- + tone. CF. Hemitone.] (Mus.) Half a tone; -- the name commonly applied to the smaller intervals of the diatonic scale. [1913 Webster]
- Note: There is an impropriety in the use of this word, and half step is now preferred. See Tone. --J. S. Dwight. [1913 Webster]