English

Numeral

sixty-sixth

1. (ordinal) The ordinal form of the number sixty-six, describing a person or thing in position number 66 of a sequence.

   The answer appears on the sixty-sixth page of the book.

   She finished sixty-sixth in the race.

Usage notes

English ordinal numbers may function as either an adjective or as a noun, and almost never appear in the plural.

Abbreviations

• 66th, 66^th

Noun

sixty-sixth ‎(plural sixty-sixths)

1. (fractional) One of sixty-six equal parts of a whole.

   A sixty-sixth of 1320 is 20.