__ Chair, Office Chair That Revolves 360 Degrees
Puzzle 15 of Celebrity Chefs Medium Pack
Question is: __ Chair, Office Chair That Revolves 360 Degrees
and the answer is: SWIVEL
Word Meaning:
SWIVEL — (mechanical) A piece, such as a ring or hook, attached to another piece by a pin, in such a manner as to permit rotation about the pin as an axis.
Definitions from Wiktionary.