Used to attract the attention of someone far away: hey, ahoy

大奥: (historical) inner chamber

大熊: a surname

大鹿: Ōshika, a village in Nagano

Classical Japanese and literary form of おおい (ōi)

rocky / barren

a covering / the act of covering something / (by extension) a protector or patron

(historical) The inner chamber (inner quarters) of the Edo Castle where the shōgun's consort, concubines, and ladies in waiting resided. Other than the shōgun, no other men were permitted entrance. Male children were raised in Ooku until the age of 7 at which time they had to move out and reside in other parts of the castle.

a lot / a majority

a place name, such as that of Oita Prefecture or Oita City