Mould is a type of FUNGUS that can grow on organic materials such as food, paper, and fabrics. It is often found in damp, dark places and can cause health problems if inhaled. The crossword solutions for the term MOULD are MATRIX (6 letters), MILDEW (6 letters), CAST (4 letters), FORM (4 letters), SHAPE (5 letters), FUNGUS (6 letters), MUST (4 letters), and DIE (3 letters). MATRIX refers to the arrangement of cells or material in which something is formed, MILDEW is a type of mould that grows on plants, CAST is an object made by pouring liquid material into a mould, FORM is the SHAPE or structure of something, SHAPE is the FORM or outline of something, FUNGUS is a type of organism that includes moulds, MUST is an obligation or requirement, and DIE is a tool used to cut shapes out of metal or other materials.