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
Salvador’s cancer was metastatic and had spread to the Lymph nodes near his aorta, Roth says.
—
Wendy Grossman Kantor, Peoplemag, 16 May 2024
Similarly, these miniature data centers can be interspersed in energy grids, learning right away at each node and distributing electricity more efficiently throughout the world.
—Anna Herr, IEEE Spectrum, 15 May 2024
See all Example Sentences for node 
Wendy Grossman Kantor, Peoplemag, 16 May 2024
Similarly, these miniature data centers can be interspersed in energy grids, learning right away at each node and distributing electricity more efficiently throughout the world.
—Anna Herr, IEEE Spectrum, 15 May 2024
See all Example Sentences for node
These examples are programmatically compiled from various online sources to illustrate current usage of the word 'node.' Any opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback about these examples.
Dictionary Entries Near node
Cite this Entry
“Node.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/node. Accessed 29 May. 2024.
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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