n. A ceremonial underground chamber in a Pueblo village.
the GNU version of the Collaborative International Dictionary of English
n. A large chamber built under, or in, the houses of a Pueblo village, used as an assembly room in religious rites or as a men's dormitory. It is commonly lighted and entered from an opening in the roof.
The Century Dictionary and Cyclopedia
n. A sacred chamber, wholly or partly underground, in which many of the religious ceremonials of the Pueblo Indians are performed. Also estufa.
Word Usage
"At the top of the stairs you turn right into the "kiva" -- the clubhouse of the 350 Cliff Dwellers."