One of forty-seven equal parts of a whole.

plural of forty-first

(US, informal) Very many; too many to count; quite a lot.

(nonstandard) forty-first

plural of forty-spot

Pardalotus quadragintus, the forty-spotted pardalote, a rare Tasmanian bird.

A solitaire card game, similar to Klondike, but starting with ten columns of four visible cards on the tableau.

plural of forty-fourth

(US) The remote part of a farm. / (US, idiomatic) The most remote or inaccessible part of any place.

plural of forty-niner