📒 the layer of muscle between the lungs and the stomach, used especially to control breathing
📒 a rubber or plastic device that a woman places inside her vagina before having sex to prevent sperm from entering the womb and making her pregnant
📒 any thin piece of material used to separate the parts of a machine, etc.
📒 a thin disc used to turn electronic signals into sound and sound into electronic signals in phones, loudspeakers, etc.