Definition of maturescent in English:

maturescent

adjective

rare
  • Becoming mature; ripening.

Origin

Early 18th century; earliest use found in Nathan Bailey (d. 1742), lexicographer and schoolmaster. From classical Latin mātūrēscent-, mātūrēscēns, present participle of mātūrēscere to ripen, mature from mātūrus + -ēscere.