Noun

(en noun)

Any projection or division, especially one of a somewhat rounded form.

(anatomy) A division of the brain.

*{{quote-magazine, date=2013-08-03, volume=408, issue=8847, magazine=(The Economist)

, title= The machine of a new soul , passage=The yawning gap in neuroscientists’ understanding of their topic is in the intermediate scale of the brain’s anatomy. Science has a passable knowledge of how individual nerve cells, known as neurons, work. It also knows which visible lobes' and ganglia of the brain do what. But how the neurons are organised in these ' lobes and ganglia remains obscure.}}

Noun

(en noun)

A knot, knob, protuberance or swelling.

(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 S to N and N to S. The respective symbols are .

(botany) A stem node.

(computer networking) A computer or other device attached to a network.

(engineering) The point at which the lines of a funicular machine meet from different angular directions; -- called also knot.

(geometry) The point at which a curve crosses itself, being a double point of the curve. See Crunode, and Acnode.

(graph theory) A vertex or a leaf in a graph of a network, or other element in a data structure.

(medicine) 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.

(physics) A point along a standing wave where the wave has minimal amplitude.

(rare) The knot, intrigue, or plot of a piece.

(technical) 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.