Meaning of “quarter” - Learner’s Dictionary

quarter

noun uk us /ˈkwɔːtər/
EQUAL PART [ C ] (also US fourth)

A2 one of four equal parts of something; 1/4 :

Three quarters of the island's residents speak English.
My house is one and three-quarter miles/a mile and three-quarters from here.
I waited a quarter of an hour for her.
BEFORE/AFTER HOUR [ no plural ]

A1 a period of 15 minutes before or after the hour:

It's (a) quarter to three (= 2.45).
also US It's (a) quarter of three (= 2.45).
We're leaving at (a) quarter past six (= 6.15).
also US We're leaving at (a) quarter after six (= 6.15).
BUSINESS [ C ]

one of four periods of time into which a year is divided for financial calculations such as profits or bills (= orders for payment):

I get an electricity bill every quarter.
SCHOOL [ C ] US

one of four periods of time into which a year at school is divided

SPORT [ C ] US

one of four periods of time into which some sports games are divided

PART OF TOWN [ C ]

a part of a town, often where people from a particular country or religion live:

the Jewish quarter
COIN [ C ]

a US or Canadian coin with a value of 25 cents, which is a quarter of a dollar

(Definition of “quarter” from the Cambridge Learner’s Dictionary © Cambridge University Press)