Definition of "40th" []

• Coming next after the thirty-ninth in position. (adjective)

Gnu Collaboartive International Dictionary of English: licensed under The Code Project Open License (CPOL)

• "Ronald Reagan was a movie star, television star, the 33rd Governor of California and two-term 40th President of the United States of America."
• "Virginia is celebrating the 40th anniversary with 40 free vacations, travel deals and special label 40th anniversary wine, all found by clicking on the second link below."
• "Also, Aceluck on 9th Ave between 39+40th is great for Thai and has a good lunch special that’s under $10."