Definition of "punctuation mark" [punctuation mark]
One of a set of marks or signs, such as the comma (,) or the period (.), used to punctuate texts.(noun)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "punctuation mark" in a sentence
"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."