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noun (plural nodes)
- A knot, a knob; a protuberance; a swelling.
- (Astronomy) The point where the orbit of a planet, as viewed from the sun, intersects the ecliptic. The ascending and descending nodes refer respetively to the points where the planet moves from S to N and N to S. The respective symbols are � and �.
- The joint of a stem, or the part where a leaf or several leaves are inserted.
- A hole in the gnomon of a dial, through which passes the ray of light which marks the hour of the day, the parallels of the sun's declination, his place in the ecliptic, etc.
- (geometry) The point at which a curve crosses itself, being a double point of the curve. See Crunode, and Acnode.
- The point at which the lines of a funicular machine meet from different angular directions; -- called also knot.
- The knot, intrigue, or plot of a piece.
- A hard concretion or incrustation which forms upon bones attacked with rheumatism, gout, or syphilis; sometimes also, a swelling in the neighborhood of a joint.
- One of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point.
- A swelling.
- (graphtheory) A vertex of a graph.
- (computing_theory) (context, computer networking) A vertex or a leaf in a graph of a network; a computer or other device attached to a network
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