the world > life > biology > biological processes > procreation or reproduction > pregnancy or gestation > [noun] > period of (4)
The period of gestation of a woman or female animal. Cf. sense A. 16b.
A calculated term of pregnancy; (also) the end of this. Obsolete.
The full length of a normal pregnancy; the completion of this period, or time at which it is due to end. Cf. term, n. 5b.
A period or term of three months; spec. each of three such periods into which human gestation is divided.