Merriam-Webster Collegiate Dictionary - sock

 I. noun  (plural ~s)  Etymology: Middle English ~e, from Old English socc, from Latin soccus  Date: before 12th century  1. archaic a low shoe or slipper  2. also plural sox a knitted or woven covering for the foot usually worn under shoes and extending above the ankle and sometimes to the knee  3.  a. a shoe worn by actors in Greek and Roman comedy  b. comic drama  • ~less adjective  II. verb  Etymology: origin unknown  Date: circa 1700  transitive verb to hit, strike, or apply forcefully ~ a home run an area ~ed by a blizzard  intransitive verb to deliver a blow ; hit  III. noun  Date: circa 1700 a vigorous or violent blow; also punch III,3