sixty-oneth

adj, noun — 2 senses

sixty-oneth

adj

/ˌsɪksti ˈwʌnθ/

Etymology From sixty-one + -th (ordinal suffix).

1

Nonstandard sixty-first

sixty-oneth

noun

Etymology From sixty-one + -th (ordinal suffix).

1

A fractional part of sixty-one

With an area of 3367 square miles [Corsica] is only a sixty-oneth of the area of France and four thirty-thirds of that of Italy.1899, Scottish Geographical Magazine vol. 15, page 641:

Synonyms: sixty-first

Entry derived from the Wiktionary, under licence CC BY-SA 4.0 — list of authors.