What does "sixty-sixth" mean?

One of sixty-six equal parts of a whole.

How do you pronounce "sixty-sixth"?

Pronounced //ˌsɪksti ˈsɪk(s)θ//.

/ˌsɪksti ˈsɪk(s)θ/ adj, noun

adj, noun ·Rare ·Advanced level

Noun

Adjective

1
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."

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

From sixty-six + -th (ordinal suffix).