1. (noun)parturiency, labor, 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"
2. (noun)confinement the act of restraining of a person's liberty by confining them
3. (noun)confinement the state of being confined
"he was held in confinement"
4. (noun)restriction, confinement the act of keeping something within specified bounds (by force if necessary)
"the restriction of the infection to a focal area"