Definition of apostrophe
(Entry 1 of 2)
: a mark ' used to indicate the omission of letters or figures, the possessive case (as in "John's book"), or the plural of letters or figures (as in "the 1960's") In the contraction "can't," the apostrophe replaces two of the letters in the word "cannot.".
Definition of apostrophe (Entry 2 of 2)
Our Reviews team has selected the best wireless keyboards.
Love words? Need even more definitions?Merriam-Webster unabridged
Words at Play
Ask the Editors