fifty-sixth I. \| ̷ ̷ ̷ ̷| ̷ ̷\adjective 1.: being number 56 in a countable series < the fifty-sixth day > — see number table 2.: being one of 56 equal parts into which something is divisible < a fifty-sixth share of the money > II. noun 1.: number 56 in a countable series 2.: the quotient of a unit divided by 56 : one of 56 equal parts of something < one fifty-sixth of the total >