Synonyms:
preteen, preadolescent
Meaning: of or relating to or designed for children between the ages of 9 and 12; "a preteen party"; "preteen clothing"
noun
meaning of the word
Synonyms:
preteen, preteenager
Meaning: a preadolescent boy or girl (usually between 9 and 12 years of age); "little league is intended for the preteens"