"Pickled" refers to food that has been preserved in a liquid or vinegar mixture. It alters the flavor and texture of the food, giving it a tangy and sometimes sour taste. Full definition
And then of course all the delicious food you can eat these onions with... I highly recommend you keeping a jar of pickled onions at home all the time. (greenevi.com)
We've made a few batches of pickles with dill and spices and salt and filtered water. (healingforreal.com)
I have loved dill pickles for as long as I could remember. (createdby-diane.com)