Definition of annotation
- The bibliography was provided with helpful annotations.
Without the annotations, the diagram would be hard to understand.
the author's annotation of the diagram
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'annotation.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
: a note added to a text, book, drawing, etc., as a comment or explanation
: the act of adding notes or comments to something : the act of annotating something
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Odd Habits and Quirks Quiz