definition of
labor

[1] #1 labor n. [labour, working class, proletariat] a social class comprising those who do manual labor or work for wages; "there is a shortage of skilled labor in this field". wn

[2] #2 labor n. [labour, toil] productive work (especially physical work done for wages); "his labor did not require a great deal of skill". wn

[3] #3 labor v. [tug, labour, push, drive] 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". wn

[4] #4 labor v. [labour, toil, fag, travail, grind, drudge, dig, moil] work hard; "She was digging away at her math homework"; "Lexicographers drudge all day long". wn

[5] #5 labor n. [parturiency, labour, confinement, lying-in, travail, childbed] concluding state of pregnancy; from the onset of contractions to the birth of a child; "she was in labor for six hours". wn