American Heritage® Dictionary of the English Language, Fourth Edition
- n. One of a set of marks or signs, such as the comma (,) or the period (.), used to punctuate texts.
- n. Any of various symbols (see the table below) used in writing and printing to make the sense of what is written easier to determine.
- n. the marks used to clarify meaning by indicating separation of words into sentences and clauses and phrases
“Writing the word period at the end of a sentence uses the name of a punctuation mark to emphasize the work of a punctuation mark; in this case, writing period stresses finality or inescapa-bility.”
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