I. ˈātth, ÷ˈāth adjective
Etymology: Middle English eightethe, eighthe, adjective & noun, from Old English eahtotha (akin to Old High German ahtodo eighth, Old Norse āttandi, Gothic ahtudin, dative singular masculine) from eahta eight + -otha, -tha -th — more at eight
1. : being number eight in a countable series
the eighth day
— see number table
2. : being one of eight equal parts into which something is divisible
an eighth share of the money
II. noun
( plural eighths ˈāts, ˈātths, ÷ˈāths)
Etymology: Middle English eightethe, eighthe
1. : number eight in a countable series
the eighth of the month
2. : the quotient of a unit divided by eight : one of eight equal parts of something
one eighth of the total
3.
a. : octave
b. : eighth note
III. adverb
1. : in the eighth place
2. : with seven exceptions
the nation's eighth largest city