|Origin:||Old English socc, from Latin soccus 'light shoe'|
sock1 S3 [countable]
a piece of clothing made of soft material that you wear on your foot inside your shoe:
white ankle socks
to surprise and excite someone very much:
a new band that will knock your socks off
3 informal especially British English
to make an effort to improve your behaviour or your work:
If they want promotion, United have got to pull their socks up.
used to tell someone in a joking way to stop talking or making a noise
a hard hit, especially with your hand closed:
Larry gave him a sock on the arm.