Definition of “pickle”

noun:
- A cucumber preserved in a solution, usually a brine or a vinegar syrup, any vegetable preserved in vinegar and consumed as relish.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- The brine used for preserving food.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
- A difficult situation, peril.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License
verb:
- To preserve food in a salt, sugar or vinegar solution.
  
  from Wiktionary, Creative Commons Attribution/Share-Alike License