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
The sensor fabric spans the full width of the roadbed, with measurement nodes recording resistance changes as vehicles pass over.
—
Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
Saturn’s conjunction with the north node in Pisces on the 21st should bring a profound opportunity to align your actions with your higher purpose.
—Meghan Rose, Glamour, 1 Oct. 2025
For larger harvests, use clean pruners or scissors to cut sections of the top third to half of the plant, cutting each stem just above a node.
—Karen Brewer Grossman, Southern Living, 25 Sep. 2025
To read and make sense of the graphs, the team used graph neural networks, a type of artificial intelligence designed to extract relationships between the nodes by passing messages along the edges of the connections among them.
—Jacek Krywko, ArsTechnica, 25 Sep. 2025
See All Example Sentences for node
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Georgina Jedikovska, Interesting Engineering, 1 Oct. 2025
Saturn’s conjunction with the north node in Pisces on the 21st should bring a profound opportunity to align your actions with your higher purpose.
—Meghan Rose, Glamour, 1 Oct. 2025
For larger harvests, use clean pruners or scissors to cut sections of the top third to half of the plant, cutting each stem just above a node.
—Karen Brewer Grossman, Southern Living, 25 Sep. 2025
To read and make sense of the graphs, the team used graph neural networks, a type of artificial intelligence designed to extract relationships between the nodes by passing messages along the edges of the connections among them.
—Jacek Krywko, ArsTechnica, 25 Sep. 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 4 Oct. 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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