Webster's Revised Unabridged Dictionary · 1913

Sol

Sol , noun

[Latin]

1.
The sun.
2.
(Alchem.) Gold; -- so called from its brilliancy, color, and value. — Chaucer

Sol , noun

[Italian]

(a)
(Music) A syllable applied in solmization to the note G, or to the fifth tone of any diatonic scale.
(b)
(Music) The tone itself.

Sol , noun

[See Sou.]

1.
A sou.
2.
A silver and gold coin of Peru. The silver sol is the unit of value, and is worth about 68 cents.

Sol , noun

[From hydrosol an aqueous colloidal solution, confused with German sole, soole, salt water from which salt is obtained.]

(Chemistry) A fluid mixture of a colloid and a liquid; a liquid colloidal solution or suspension.

Also: Sole