[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.

1

a. 1695.  Wood, Life (1848), 193. Conducted in his doctor’s robes from the apodyterium into the convocation house.

2

1820.  T. Mitchell, Com. Aristoph., I. Introd. 55. It was my lot to be sitting where you saw me, in the apodyterium.

3