the state of being a pupil
• (n.) The period before puberty, or from birth to fourteen in males, and twelve in females.
Pu`pil·lar'i·ty noun [ Confer French pupillarité . See Pupillary .] (Scots Law) The period before puberty, or from birth to fourteen in males, and twelve in females. 
pupillarity In Scots law, the interval between birth and the age of 14 in males and 12 in females.
the period between birth and puberty, or until attaining majority.