Pronunciation: (sô'nu, sou'-), [key]
—n., v., -naed, -na•ing.
1. a bath that uses dry heat to induce perspiration, and in which steam is produced by pouring water on heated stones.
2. a bathhouse or room, usually of wood, equipped for such a bath.
to take a sauna: to sauna after exercising.
Random House Unabridged Dictionary, Copyright © 1997, by Random House, Inc., on Infoplease.