node

[[t]noʊd[/t]]

n.

1) a knot, protuberance, or knob

2) a centering point of component parts

3) anat. anat. a knotlike mass of tissue:

lymph node[/ex]

4) pat Pathol. circumscribed swelling

5) bot Bot.

bot a part of a stem that bears a leaf or branch

6) math.

Also called joint 10) knot I, 12) in interpolation, one of the points at which the values of a function are assigned.

7) math. Geom. a point on a curve or surface at which there can be more than one tangent line or tangent plane

8) phs Physics. a point, line, or region in a standing wave at which there is relatively little or no vibration

9) astron. either of the two points at which the orbit of a heavenly body intersects a given plane, esp. the plane of the ecliptic or of the celestial equator

10) ling. math. a labeled point in a tree diagram at which subordinate lines branch off

11) nodus

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Etymology: 1565–75; < L nōdus knot