The one after "third" but before "fifth" in a sequence.
That is the correct spelling of "fourths" (meaning the plural of one-fourth).
The Latin adjective meaning "fourth" is quartus(-a, -um). The noun meaning "a fourth part, a quarter" can be either quarta (-ae, f.) or quadrans (-ntis, m.).
"Quarter" is a word meaning one fourth.
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one fourth
A homophone for fourth is forth, meaning forward, ahead, onward.
One fourth is a quarter. The second letter of quarter is 'u'
Quarter
Quarter.
quarter
quarter
The second letter of the seven letter word meaning "one-fourth" is "u." The word is "quarter."u as in quarter