Webster's Revised Unabridged Dictionary · 1913

Sop

Sop , noun

[Old English sop, soppe; akin to Anglo-Saxon s{not transcribed}pan to sup, to sip, to drink, Dutch sop sop, German suppe soup, Icelandic soppa sop. See Sup, transitive verb, and compare Soup.]

1.
Anything steeped, or dipped and softened, in any liquid; especially, something dipped in broth or liquid food, and intended to be eaten.
He it is to whom I shall give a sop, when I have dipped it. — John xiii. 26
Sops in wine, quantity, inebriate more than wine itself. — Bacon
The bounded waters Should lift their bosoms higher than the shores, And make a sop of all this solid globe. — Shakespeare
2.
Anything given to pacify; -- so called from the sop given to Cerberus, as related in mythology.
All nature is cured with a sop. — L'Estrange
3.
A thing of little or no value. [Obsolete] — P. Plowman
Garlands of roses and sops in wine. — Spenser

Sop , transitive verb

To steep or dip in any liquid.