The period when a plant begins to flower.
The process of sexual development that produces secondary sex characteristics and makes a person capable of reproducing sexually.
A developmental phase brought about by the action of hormones as part of the maturing process. For humans, there are three in total.
The age at which a person is first capable of sexual reproduction.
The period of one's life when one attends school, particularly, primary school (as opposed to college days); one's youth.