ninety-third I. \| ̷ ̷ ̷ ̷| ̷ ̷\adjective 1.: being number 93 in a countable series < the ninety-third day > — see number table 2.: being one of 93 equal parts into which something is divisible < a ninety-third share of the money > II. noun 1.: number 93 in a countable series 2.: the quotient of a unit divided by 93 : one of 93 equal parts of something