[L., a. Gr. ἀποδυτήριον, f. ἀπο-δύ-ειν to put off, undress.] orig. The apartment in which clothes were deposited by those who were preparing for the bath or palæstra; hence gen. a dressing-room, a robing-room.
a. 1695. Wood, Life (1848), 193. Conducted in his doctors robes from the apodyterium into the convocation house.
1820. T. Mitchell, Com. Aristoph., I. Introd. 55. It was my lot to be sitting where you saw me, in the apodyterium.