[determiner], [pronoun], [adjective], [adverb] [not gradable], nounthe sixteenth floorthe sixteenth of AugustShe was/came sixteenth in the class in the exams.A sixteenth is one of sixteen equal parts of something.(US) Sixteenth note is US for semiquaver.
SIXTEENTH
Meaning of SIXTEENTH in English
Cambridge English vocab. Кембриджский английский словарь. 2012