Definition of side pocket in US English:

side pocket

noun

  • 1A pocket in the side portion or side seam of a garment, especially a coat or jacket.

  • 2A pocket or pouch used to store items at the side of a vehicle, tent, bag, etc.

Origin

Late 17th century; earliest use found in Edward Ravenscroft (fl. 1659–1697), playwright. From side + pocket.

Pronunciation

side pocket

/ˈsʌɪd ˌpɒkɪt/