süˈda(a)rēəm noun
( plural sudar·ia -ēə)
Etymology: Latin, from sudare to sweat + -arium -ary — more at sweat
1. : a linen square carried by the upper classes in Roman times (as for wiping perspiration from the face) : handkerchief
2. : an image of the face of Christ painted on a cloth and used as an aid to devotion : veronica
3. : sudatorium