pickling

a cucumber that has been preserved in brine, vinegar, or the like.

Often, pickles. any other vegetable, as cauliflower, celery, etc., preserved in vinegar and eaten as a relish.

something preserved in a brine or marinade.

a liquid usually prepared with salt or vinegar for preserving or flavoring fish, meat, vegetables, etc.; brine or marinade.

Metallurgy. an acid or other chemical solution in which metal objects are dipped to remove oxide scale or other adhering substances.

to preserve or steep in brine or other liquid.

to treat with a chemical solution, as for the purpose of cleaning.

to give a pale, streaked finish to (wood) by applying and partly removing paint or by bleaching, as to give an appearance of age.

Slang. to store; prepare for long-range storage: Let's pickle these old cars for a few years.