1
a
: a pathological swelling or enlargement (as of a rheumatic joint)
b
: a discrete mass of one kind of tissue enclosed in tissue of a different kind
2
: an entangling complication (as in a drama) : predicament
3
: either of the two points where the orbit of a planet or comet intersects the ecliptic
also
: either of the points at which the orbit of an earth satellite crosses the plane of the equator
4
a
: a point, line, or surface of a vibrating body or system that is free or relatively free from vibratory motion
b
: a point at which a wave has an amplitude of zero
5
a
: a point at which subsidiary parts originate or center
b
: a point on a stem at which a leaf or leaves are inserted
c
: a point at which a curve intersects itself in such a manner that the branches have different tangents
d
Examples of node in a Sentence
the doctor examined the node on my knee before deciding it was the result of arthritis
Recent Examples on the Web
Last month, Daniel White lifted up his red jail uniform to show a small node of medication the size of a walnut that protruded from his belly.
—
Ethan Varian, The Mercury News, 6 Feb. 2025
This drift carries the node early this year through the March equinox, and hence the moon's path is tilted 23.5 degrees + 5 degrees = 28.5 degrees to the equator.
—Joe Rao, Space.com, 6 Feb. 2025
Most importantly, Vance will serve as the node between the White House and Capitol Hill, focused on making sure no one is slowing down the Trump agenda in Congress.
—Olivia Rinaldi, CBS News, 4 Feb. 2025
All the work to that point had been done using the design rules—transistor and circuit geometries—for the existing 65-nanometer node rather than a future 45-nanometer node.
—IEEE Spectrum, 29 Jan. 2025
See all Example Sentences for node 
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Ethan Varian, The Mercury News, 6 Feb. 2025
This drift carries the node early this year through the March equinox, and hence the moon's path is tilted 23.5 degrees + 5 degrees = 28.5 degrees to the equator.
—Joe Rao, Space.com, 6 Feb. 2025
Most importantly, Vance will serve as the node between the White House and Capitol Hill, focused on making sure no one is slowing down the Trump agenda in Congress.
—Olivia Rinaldi, CBS News, 4 Feb. 2025
All the work to that point had been done using the design rules—transistor and circuit geometries—for the existing 65-nanometer node rather than a future 45-nanometer node.
—IEEE Spectrum, 29 Jan. 2025
See all Example Sentences for node
Dictionary Entries Near node
Cite this Entry
“Node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/node. Accessed 11 Feb. 2025.
Copy CitationKids Definition
node
noun1
a
: a thickened or swollen enlargement (as of a joint with rheumatism)
b
: a mass of tissue in the body resembling a knot
2
: a point on a stem at which a leaf is inserted
Medical Definition
node
noun1
a
: a pathological swelling or enlargement (as of a rheumatic joint)
b
: a body part resembling a knot
especially
: a discrete mass of one kind of tissue enclosed in tissue of a different kind see atrioventricular node, lymph node
2
: a point, line, or surface of a vibrating body that is free or relatively free of vibratory motion
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