I. -n(t)th adjective
Etymology: Middle English fourtenthe, adjective & noun, alteration (influenced by fourtene fourteen) of fourtethe, from Old English fēowertēotha (akin to Old Norse fjōrtāndi fourteenth), from fēowertīene, fēowertȳne, fēowertēne fourteen + -otha, -tha -th
1. : being number 14 in a countable series
the fourteenth day
— see number table
2. : being one of 14 equal parts into which something is divisible
a fourteenth share of the money
II. noun
( plural fourteenths -n(t)s, -n(t)ths)
Etymology: Middle English fourtenthe
1. : number 14 in a countable series
the fourteenth of the month
2. : the quotient of a unit divided by 14 : one of 14 equal parts of something
one fourteenth of the total
3. : a musical interval comprising an octave and a seventh