The crossword solution for the term 'Word Before Bell or Shell' is TACO, which is a four-letter word. Taco is a Mexican dish consisting of a corn or wheat tortilla folded or rolled around a filling, such as seasoned beef, cheese, lettuce, tomatoes, and salsa. It is typically served with condiments such as sour cream, guacamole, and salsa. Tacos are a popular food in Mexico and the United States, and have become a staple of Tex-Mex cuisine.