|Noun||1.||work shift - the time period during which you are at work|
hours - a period of time assigned for work; "they work long hours"
workday, working day - the amount of time that a worker must work for an agreed daily wage; "they work an 8-hour day"
go, spell, tour, turn - a time for working (after which you will be relieved by someone else); "it's my go"; "a spell of work"
trick - a period of work or duty
watch - a period of time (4 or 2 hours) during which some of a ship's crew are on duty
day shift - the work shift during the day (as 8 a.m. to 4 p.m.)
split shift - a working shift divided into two periods of time with several hours in between