Wordnet 3.0
NOUN (1)
1.
the syllable naming the fourth (subdominant) note of the diatonic scale in solmization;
The Collaborative International Dictionary of English v.0.48:
Fa \Fa\ (f[aum]), n. [It.] (Mus.)
(a) A syllable applied to the fourth tone of the diatonic
scale in solmization.
(b) The tone F.
[1913 Webster]
WordNet (r) 3.0 (2006):
fa
n 1: the syllable naming the fourth (subdominant) note of the
diatonic scale in solmization
V.E.R.A. -- Virtual Entity of Relevant Acronyms (February 2016):
FA
FernmeldeAmt (DTAG)