Words — 1 found
せいつう
精通
1. being well versed (in); being well acquainted (with); being familiar (with); having a thorough knowledge (of); being an authority (on)
2. (a boy's) first ejaculation; spermarche; semenarche
3. Spermarche (ability to produce sperm)The first ejaculatory experience of boys is termed semena... Read more