Meaning & Definition
noun
one of eight equal parts of a whole.
Each team member received an eighth of the total prize.
the eighth element in a series.
The eighth of the month is marked on the calendar.
adjective
constituting number eight in a sequence; being the ordinal number corresponding to the cardinal number eight.
She finished in eighth place in the marathon.
denoting a portion of something divided into eight equal parts.
He ate an eighth of the pizza.
Etymology
Middle English 'eihth', from Old English 'eahta'.
Common Phrases and Expressions
eighth of an inch:
A measurement equivalent to one-eighth of an inch.
eighth-grade:
Relating to the eighth year of schooling.
eighth note:
A musical note that is half the duration of a quarter note.
Slang Meanings
An eighth of an ounce, often used in reference to marijuana.
I bought an eighth to relax this weekend.
Referring to a specific fraction in a casual context.
Just give me an eighth of the total.