jack (audio term)
The receptor part of a connector, the hole where the plug goes. (In Europe, jack is commonly used for just the 1/4” connector as opposed to RCA, XLR and other types).
“Creating music to fit the marketplace, so that music can be heard? If ever I thought that I even came close to catering to the marketplace, or designing my productions and my music to cater to what is currently fashionable, I would sell shoes for a living.”- Daniel Lanois