1. A knob, knot, protuberance, or swelling.
2. botany the point on a stem where a leaf is attached or has been attached; a joint.
3. see knot1.
4. physics A point or region of virtually zero amplitude in a periodic system.
5. mathematics the point at which a continuous curve crosses itself.
6. computer science A terminal in a computer network.
7. astronomy either of two diametrically opposite points at which the orbit of a planet intersects the ecliptic.
8. astronomy either of two points at which the orbit of a satellite intersects the orbital plane of a planet.

1. A knot, knob, protuberance or swelling.
2. 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 ☊ and ☋.
3. A stem node.
4. A computer or other device attached to a network.
5. A vertex or a leaf in a graph of a network, or other element in a data structure.
6. the point at which the lines of a funicular machine meet from different angular directions; -- called also knot.
7. the point at which a curve crosses itself, being a double point of the curve. see Crunode, and Acnode.
8. A vertex of a graph.
9. 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.
10. one of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point.
11. the knot, intrigue, or plot of a piece.
12. 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.

1. A knot, a knob; a protuberance; a swelling.
2.
3. one of the two points where the orbit of a planet, or comet, intersects the ecliptic, or the orbit of a satellite intersects the plane of the orbit of its primary.
4. the joint of a stem, or the part where a leaf or several leaves are inserted.
5. 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.
6. the point at which a curve crosses itself, being a double point of the curve. see Crunode, and Acnode.
7. the point at which the lines of a funicular machine meet from different angular directions; -- called also knot.
8. the knot, intrigue, or plot of a piece.
9. 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.
10. one of the fixed points of a sonorous string, when it vibrates by aliquot parts, and produces the harmonic tones; nodal line or point.
11. A swelling.
12. A special point in a graph or diagram which is attached to other points by
13. A small mass of tissue differing from other tissue in its immediate vicinity.

1. A knot, or what resembles one; a knob; a protuberance.
2. in pathol.:
3. A hard swelling on a ligament, tendon, or bone.
4. A hard concretion or incrustation on a joint affected with gout or rheumatism. specifically
5. in anatomy, a joint, articulation, or condyle, as one of the knuckles of the hand, bones being usually enlarged at their articular ends, thus constituting nodes or knotted parts between slenderer portions technically called internodes.
6. in entomology, any knot-like part or organ.
7. in botany, the definite part of a stem which normally bears a leaf, or a whorl of leaves, or in cryptogams, such as equisetum and Chara, the points on the stem at which foliar organs of various kinds are borne. see cut in next column.
8. in astronomy, one of the points in which two great circles of the celestial sphere, such as the ecliptic and equator, or the orbit of a planet and the ecliptic, intersect each other; especially, one of the points at which a celestial orbit cuts the plane of the ecliptic.
9. in acoustics, a point or line in a vibratile body, whether a stretched string or membrane, a solid rod, plate, or bell, or a column of air, which, when the body is thrown into vibration, remains either absolutely or relatively at rest: opposed to loop.
10. figuratively, a knot; an entanglement.
11. in dialing, a point or hole in the gnomon of a dial, by the shadow of or light, through which either the hour of the day in dials without furniture, or the parallels of the sun's declination and his place in the ecliptic, etc., in dials with furniture, are shown.
12. in geom.:
13. A point upon a curve such that any line passing through it cuts the curve at fewer distinct points than lines in general do.
14. A double point of a surface; a point where there is more than one tangent-plane; especially, a conical point where the form of the surface in the infinitesimally distant neighborhood is that of a double cone of any order.
15. A point of a surface: so called because it is a node of the curve of intersection of the surface with the tangent-plane at that point.

1. a connecting point at which several lines come together
2. (physics) the point of minimum displacement in a periodic system
3. the source of lymph and lymphocytes
4. (astronomy) a point where an orbit crosses a plane
5. any thickened enlargement
6. (botany) the small swelling that is the part of a plant stem from which one or more leaves emerge
7. (computer science) any computer that is hooked up to a computer network
8. any bulge or swelling of an anatomical structure or part