(number) - a number like 1st, 2nd, 3rd, 4th, which shows the position of something in a list of itemsOrdinal numbers are used in these sentences: 'She was fifth in the race' and 'They celebrated the 200th anniversary of the university's foundation'.Compare cardinal (number).
ORDINAL
Meaning of ORDINAL in English
Cambridge English vocab. Кембриджский английский словарь. 2012