Wiktionary
feed-through
n. (context electronics engineering English) A hermetically sealed connection between two volumes.
Usage examples of "feed-through".
Tommy's searching eyes soon caught sight of the double black line of coaxial cables corning to the surface a few feet to his left, umbilical cords leading to feed-through connectors mounted on the curved top of the fuselage toward the tail section, transmission lines that led to the 2-meter and 15-20-40-meter antennas mounted on the 40-foot aluminum tower close by on the forested mountainside.