F.A.

fa «fah», noun.

the fourth tone of the diatonic scale. Do, re, mi, fa, sol, la, ti, do are the names of the tones of the scale.

╂[< Italian fa < Medieval Latin fa(muli); see etym. under gamut (Cf. ↑gamut)]

FA (no periods) or F.A.,

1. field artillery.

2. freight agent.