The term 'ATTACHES SECURELY' can be summarized by two crossword solutions: 'FASTENS' and 'CEMENTS'. 'FASTENS' is a verb that means to secure or join something firmly in place, usually with the use of nails, screws, or other hardware. 'CEMENTS' is a noun that refers to a material used to bind two surfaces together, such as concrete or mortar. Both terms refer to the act of attaching something securely, either through physical fastening or through the use of a binding material.