noun

• An implement, an instrument or apparatus designed (or at least used) as a means to a specific end, especially:
• A non-manual apparatus or device, powered electrically or by another small motor, used in homes to perform domestic functions (household appliance) and/or in offices.
• An attachment, a piece of equipment to adapt another tool or machine to a specific purpose.
• (obsolete) The act of applying.
• (obsolete) A means of eliminating or counteracting something undesirable, especially an illness.
• (obsolete, rare) Willing service, willingness to act as someone wishes.