Princeton's WordNet

1. labor, labour, working class, proletariat(noun)

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

   "there is a shortage of skilled labor in this field"

2. parturiency, labor, labour, confinement, lying-in, travail, childbed(noun)

   concluding state of pregnancy; from the onset of contractions to the birth of a child

   "she was in labor for six hours"

3. British Labour Party, Labour Party, Labour, Labor(noun)

   a political party formed in Great Britain in 1900; characterized by the promotion of labor's interests and formerly the socialization of key industries

4. labor, labour, toil(verb)

   productive work (especially physical work done for wages)

   "his labor did not require a great deal of skill"

5. labor, labour, toil, fag, travail, grind, drudge, dig, moil(verb)

   work hard

   "She was digging away at her math homework"; "Lexicographers drudge all day long"

6. tug, labor, labour, push, drive(verb)

   strive and make an effort to reach a goal

   "She tugged for years to make a decent living"; "We have to push a little to make the deadline!"; "She is driving away at her doctoral thesis"

7. labor, labour(verb)

   undergo the efforts of childbirth

Kernerman English Learner's Dictionary

1. labour(noun)ˈleɪ bər

   labor

Wiktionary

1. labour(Noun)

   Effort expended on a particular task; toil, work.

2. labour(Noun)

   Workers in general; the working class, the workforce; sometimes specifically the labour movement, organised labour.

3. labour(Noun)

   A political party or force aiming or claiming to represent the interests of labour.

4. labour(Noun)

   The act of a mother giving birth

5. labour(Noun)

   The time period during which a mother gives birth.

6. labour(Verb)

   To toil, to work.

7. labour(Verb)

   To belabour, to emphasise or expand upon (a point in a debate, etc).

   I think we've all got the idea. There's no need to labour the point.

8. Labour(ProperNoun)

   Short for the Labour Party.

Origin: From labouren, from laborer, from laborare, from labor; perhaps remotely akin to robur.

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