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
Art-Net nodes cost less than a tank of gas.
—
Bob Bonniol, Rolling Stone, 29 Oct. 2025
These promise not just faster speeds, but integration of sensing, real-time artificial intelligence, non-terrestrial nodes (such as satellites and drones), and near-zero latency.
—Kaif Shaikh, Interesting Engineering, 29 Oct. 2025
The Barabasi Lab’s Nature 150, for instance, conveys the importance of intellectual influence by creating a galaxy-like network of scientific papers and allowing users to travel through its colorful constellations of nodes and links.
—Big Think, 27 Oct. 2025
The bottom of each shoe has foam bumps on it, which Nike calls nodes.
—New Atlas, 27 Oct. 2025
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Bob Bonniol, Rolling Stone, 29 Oct. 2025
These promise not just faster speeds, but integration of sensing, real-time artificial intelligence, non-terrestrial nodes (such as satellites and drones), and near-zero latency.
—Kaif Shaikh, Interesting Engineering, 29 Oct. 2025
The Barabasi Lab’s Nature 150, for instance, conveys the importance of intellectual influence by creating a galaxy-like network of scientific papers and allowing users to travel through its colorful constellations of nodes and links.
—Big Think, 27 Oct. 2025
The bottom of each shoe has foam bumps on it, which Nike calls nodes.
—New Atlas, 27 Oct. 2025
See All Example Sentences for node
Cite this Entry
“Node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/node. Accessed 3 Nov. 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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