node
n//noʊd//nod, knutpunkt
(astronomy) The point where the orbit of a planet, as viewed from the Sun, intersects the ecliptic. The ascending and descending nodes refer respectively to the points where the planet moves from South to North and N to S; their respective symbols are ☊ and ☋.
(networking) A computer or other device attached to a network.
(physics) A point along a standing wave where the wave has minimal amplitude.
(graph theory) A vertex or a leaf in a graph of a network, or other element in a data structure.