The crossword solutions for the term DILL SWILL are BRINE, which is a five-letter word. BRINE is a solution of salt and water that is used to preserve food, especially pickles. It is also used to add flavor to dishes. The term DILL SWILL is a combination of two words, dill and swill, which refer to the flavor of the BRINE. Dill is an herb with a strong, pungent flavor, while swill is a liquid, usually water, that has been flavored with something else. Together, these two words describe the flavor of the BRINE used to make pickles.