- the situation (often, traditionally, involving confinement to bed) of a woman during the process of giving birth
- the time needed for this, often including time before labor begins and after delivery
of or for childbirth: a lying-in hospital
nounpl. ly·ings-in or ly·ing-ins
The condition of a woman in the process of giving birth.
Of or intended for use during childbirth: a lying-in hospital.
- of, or relating to childbirth