(1):

(n.) A sou.

(2):

(n.) The tone itself.

(3):

(n.) Alt. of Sole

(4):

(n.) Gold; - so called from its brilliancy, color, and value.

(5):

(n.) The sun.

(6):

(n.) A silver and gold coin of Peru. The silver sol is the unit of value, and is worth about 68 cents.

(7):

(n.) A syllable applied in solmization to the note G, or to the fifth tone of any diatonic scale.