Lewis & Short

zōthēca, ae, f., = ζωθήκη.

  1. I. A little private chamber, closet, or cabinet, for reposing in by day (cf. conclave), Plin. Ep. 2, 17, 21; cf. zothecula.
  2. II. A recess, niche, for religious purposes, Inscr. Orell. 1368; 2006; 3889.