Webster's Revised Unabridged Dictionary · 1913

Sock

Sock , noun

[French soc, Late Latin soccus, perhaps of Celtic origin.]

A plowshare. — Edin. Encyc

Sock , noun

[Old English sock, Anglo-Saxon socc, from Latin soccus a kind of low-heeled, light shoe. Compare Sucket.]

1.
The shoe worn by actors of comedy in ancient Greece and Rome, -- used as a symbol of comedy, or of the comic drama, as distinguished from tragedy, which is symbolized by the buskin.
Great Fletcher never treads in buskin here, Nor greater Jonson dares in socks appear. — Dryden
2.
A knit or woven covering for the foot and lower leg; a stocking with a short leg.
3.
A warm inner sole for a shoe. — Simmonds

Sock (sok) , transitive verb

[Perh. shortened from sockdolager.]

To hurl, drive, or strike violently; -- often with it as an object. [Prov. or Vulgar] — Kipling