node

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noun \ˈnōd\

Definition of node

  1. 1a :  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. 2 :  an entangling complication (as in a drama) :  predicament

  3. 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. 4a :  a point, line, or surface of a vibrating body or system that is free or relatively free from vibratory motionb :  a point at which a wave has an amplitude of zero

  5. 5a :  a point at which subsidiary parts originate or centerb :  a point on a stem at which a leaf or leaves are insertedc :  a point at which a curve intersects itself in such a manner that the branches have different tangentsd :  vertex 1b

Examples of node in a Sentence

  1. the doctor examined the node on my knee before deciding it was the result of arthritis

Recent Examples of node from the Web

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'node'. Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

Origin and Etymology of node

Middle English, from Latin nodus knot, node; akin to Middle Irish naidm bond


NODE Defined for English Language Learners

node

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noun

Definition of node for English Language Learners

  • : a small lump or mass of tissue in your body

  • : the small round part on the stem of a plant where a leaf grows

  • : a place where lines in a network cross or meet


NODE Defined for Kids

node

play
noun \ˈnōd\

Definition of node for Students

  1. :  a thickened spot or part (as of a plant stem where a leaf develops)


Medical Dictionary

node

play
noun \ˈnōd\

Medical Definition of node

  1. 1a:  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. 2:  a point, line, or surface of a vibrating body that is free or relatively free of vibratory motion



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