| junction box | |
| —n | |
| an earthed enclosure within which wires or cables can be safely connected | |
| the offspring of a zebra and a donkey. |
| an arrangement of five objects, as trees, in a square or rectangle, one at each corner and one in the middle. |
| junction box (jŭngk'shən) Pronunciation Key
An enclosure within which electric circuits, such as the electrical wiring for different sections of a building, are connected to other circuits, such as outside power sources. Junction boxes are very common in telecommunications circuitry and are used to protect the connections and provide easy access to them. |