I.eighth1 /eɪtθ/ BrE AmE adjective
coming after seven other things in a series:
in the eighth century
her eighth birthday —eighth pronoun:
I’m planning to leave on the eighth (=the eighth day of the month).
[e͟ɪtθ] ♦♦ eighths
1) ORD The eighth item in a series is the one that you count as number eight. ...the eighth prime minister of India.
2) FRACTION An eighth is one of eight equal parts of something. The Kuban produces an eighth of Russia's grain, meat and milk.
2eighth adj : occupying the number eight position in a series • the eighth car in line • the eighth edition • Her son is in (the) eighth grade.
- eighthadv • She finished eighth (in the race).