labour
noun
1.
a social class comprising those who do manual labor or work for wages
2.
concluding state of pregnancy; from the onset of contractions to the birth of a child
Derived from:
labour 3.
productive work (especially physical work done for wages)
Derived from:
labour 4.
any piece of work that is undertaken or attempted
5.
an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement