quintan

As a noun terms

is .

As an adjective quintan is

(of a fever) recurring after four days (every five days).

As a noun quintain

is .

As an adjective quintan is

(of a fever) recurring after four days (every five days).

As a noun quintal

is a measure of weight originally equal to a hundred pounds; later, a hundredweight.

As an adjective quintan is

recurring after four days (every five days.