名詞 gestation:

1. the period during which an embryo develops (about 266 days in humans)
   同義詞：gestation period
2. the state of being pregnant; the period from conception to birth when a woman carries a developing fetus in her uterus
   同義詞：pregnancy, maternity
3. the conception and development of an idea or plan

ges.ta.tion

n.（名詞）
The period of development in the uterus from conception until birth; pregnancy.
懷孕：子宮里從受孕至分娩的發(fā)育時(shí)期；懷孕
The conception and development of a plan or an idea in the mind.
構(gòu)思：一個(gè)計(jì)劃或主意在心中的構(gòu)想和發(fā)展

來(lái)源：
Late Latin gest3tiô gest3tiôn-
后期拉丁語(yǔ) gest3tiô gest3tiôn-
from Latin [a carrying]
源自 拉丁語(yǔ) [一次孕載]
from gest3tus [past participle of] gest3re [freqentative of] gerere [to carry]
源自 gest3tus [] gest3re的過(guò)去分詞 [] gerere的重復(fù)動(dòng)詞（AHD字典有錯(cuò)誤） [懷有]

【引伸】
ges.tato.ry