A knob, usually ornamental
The point at which the lines of a funicular machine meet from different angular directions; — called also knot.
A point along a standing wave where the wave has minimal amplitude.
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 ☋.
A similar point on a surface, where there is more than one tangent-plane.
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.
A 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, his place in the ecliptic, etc.
The word of interest in a KWIC, surrounded by left and right cotexts.
The knot, intrigue, or plot of a dramatic work.
A 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).
A knot, knob, protuberance or swelling.
The point at which a curve crosses itself, being a double point of the curve. See crunode and acnode.
A leaf node.
A computer or other device attached to a network.
A vertex or a leaf in a graph of a network, or other element in a data structure.