hour

Main Entry:: hour
Pronunciation:: \ˈau̇(-ə)r\
Function:: noun
Etymology:: Middle English, from Anglo-French ure, eure, from Late Latin & Latin; Late Latin hora canonical hour, from Latin, hour of the day, from Greek hōra — more at year
Date:: 13th century

1: a time or office for daily liturgical devotion ; especially : canonical hour2: the 24th part of a day : 60 minutes3 a: the time of day reckoned in two 12-hour periods bplural : the time reckoned in one 24-hour period from midnight to midnight using a 4-digit number of which the first two digits indicate the hour and the last two digits indicate the minute <in the military 4:30 p.m. is called 1630 hours>4 a: a customary or particular time <lunch hour> <in our hour of need> ; also : moment 1b <hero of the hour> bplural : time of going to bed <keeps late hours> ; also : time of working <banker's hours>5: an angular unit of right ascension equal to 15 degrees measured along the celestial equator6: the work done or distance traveled at normal rate in an hour <the city was two hours away>7 a: a class session b: credit hour , semester hour

— after hours

: after the regular quitting or closing time

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