Labor

a social class comprising those who do manual labor or work for wages

productive work (especially physical work done for wages)

concluding state of pregnancy

an organized attempt by workers to improve their status by united action (particularly via labor unions) or the leaders of this movement

a political party formed in Great Britain in 1900

the federal department responsible for promoting the working conditions of wage earners in the United States

any piece of work that is undertaken or attempted

strive and make an effort to reach a goal

work hard

undergo the efforts of childbirth