What is the meaning of travail?

noun

• Concluding state of pregnancy; from the onset of contractions to the birth of a child.
  • usage: "she was in labor for six hours"
  • synonyms: parturiency, labor, labour, confinement, lying-in, childbed
• Use of physical or mental energy; hard work.
  • usage: "he got an A for effort"; "they managed only with great exertion"
  • synonyms: effort, elbow grease, exertion, sweat

verb

• Work hard.
  • usage: "She was digging away at her math homework"; "Lexicographers drudge all day long"
  • synonyms: labor, labour, toil, fag, grind, drudge, dig, moil