(n.) The innermost sanctuary or shrine in ancient temples, whence oracles were given. Hence: A private chamber; a sanctum.

adytum body caste cell clan class cloister colony commonwealth commune community den economic class endogamous group extended family family gens hermitage hideaway hideout hiding place holy of holies ivory tower kinship group lair mew moiety nuclear family order phratria phratry phyle privacy recess retreat sanctum sanctum sanctorum secret place settlement social class society subcaste totem