Definition of 部屋住み (へやずみ)

noun
•
an adult-age eldest son who has yet to come into his inheritance, (a young adult still) living at home, a dependent
Related Kanji
部 section, bureau, dept, class, copy, part, portion, counter for copies of a newspaper or magazine
屋 roof, house, shop, dealer, seller
住 dwell, reside, live, inhabit