What is "spinach dip"

n. (context US English) A common restaurant appetizer, usually served with tortilla chips.

Spinach dip is a dip that uses spinach as a primary ingredient. Frozen spinach may be used in its preparation. Additional primary ingredients may include mayonnaise, cream cheese, sour cream and cheese. Slow cookers may be used to prepare the dip. Examples of accompaniments to spinach dip include bread, crackers and chips. Many casual restaurant chains offer spinach dip on their menus. Several commercially prepared, mass-produced spinach dips exist that are sold in grocery stores and supermarkets.