ăpŏdȳtērĭum, ii, n., = ἀποδυτήριον,
the undressing-room in a bathing-house , * Cic. ad Q. Fr. 3, 1, 1; Plin. Ep. 5, 6; Inscr. Orell. 3278.
apodȳtērium ī, n , ἀποδυτήριον, an undressing-room (in a bath-house). ...
An Elementary Latin Dictionary
·noun The apartment at the entrance of the baths, or in the palestra, where one stripped; a dressing...
Webster's Dictionary of the English Language