|a chattering or flighty, light-headed person.|
|an extraordinary or unusual thing, person, or event; an exceptional example or instance.|
|the punctuation mark ' used to indicate the omission of a letter or number, such as he's for he has or he is, also used in English to form the possessive, as in John's father and twenty pounds' worth|
|[C17: from Late Latin, from Greek apostrophos mark of elision, from apostrephein to turn away]|
a rhetorical device by which a speaker turns from the audience as a whole to address a single person or thing. For example, in William Shakespeare's Julius Caesar, Mark Antony addresses the corpse of Caesar in the speech that begins:O, pardon me, thou bleeding piece of earth,That I am meek and gentle with these butchers!Thou art the ruins of the noblest manThat ever lived in the tide of times.Woe to the hand that shed this costly blood
Learn more about apostrophe with a free trial on Britannica.com.