Definition of "can't" []

• Contraction of cannot. (noun-possessive)

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.

• "Women like my grandmother, a Latina mom who never understood the word can't, are changing the face of what motherhood looks like in this country."
• "And P.T. Barnum, in his "Struggles and Triumphs: Forty Years' Recollections," chastises his manager and son-in-law for being less than enthusiastic about some of Barnum's plans with "have I not told you often enough, the word can't is not in my dictionary?""
• "The phrase "can't say with certitude" will certainly lead many to believe that the photo is indeed of the congressman."