noun

• a social class comprising those who do manual labor or work for wages
  "there is a shortage of skilled labor in this field"
• concluding state of pregnancy; from the onset of contractions to the birth of a child
  "she was in labor for six hours"
• a political party formed in Great Britain in 1900; characterized by the promotion of labor's interests and formerly the socialization of key industries
• productive work (especially physical work done for wages)
  "his labor did not require a great deal of skill"

verb

• work hard
  "She was digging away at her math homework"
• strive and make an effort to reach a goal
  "She tugged for years to make a decent living"
• undergo the efforts of childbirth