node

plural nodes

1. A knot, knob, protuberance or swelling.
2. astronomyThe 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 ☋.
3. biologyA leaf node.
4. computingA computer or other device attached to a network.
5. engineeringThe point at which the lines of a funicular machine meet from different angular directions.

   Synonyms: knot

6. geometryThe point at which a curve crosses itself, being a double point of the curve. See crunode and acnode.
7. geometryA similar point on a surface, where there is more than one tangent-plane.
8. graph theoryA vertex or a leaf in a graph of a network, or other element in a data structure.
9. medicineA hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
10. natural sciencesA point along a standing wave where the wave has minimal amplitude.
11. rareThe knot, intrigue, or plot of a dramatic work.
12. engineeringA hole in the gnomon of a sundial, through which passes the ray of light which marks the hour of the day, the parallels of the Sun's declination, its place in the ecliptic, etc.
13. computationalThe word of interest in a KWIC, surrounded by left and right cotexts.
14. businessA region of an electric circuit connected only by (ideal) wires (i.e. the voltage between any two points on the same node must be zero).
15. human sciencesA point in a parse tree that can be assigned a syntactic category label.
16. biologyA point in a cladogram from which two clades branch, representing the presumed ancestor.

1. abbreviationacronymAcronym of New Oxford Dictionary of English.