Lewis & Short

fĕnestro, āvi, ātum, 1, v. a. [fenestra], to furnish with openings or windows (rare; not in Cic.).

  1. I. Lit.: media oculorum cornua fenestravit pupilla, Plin. 11, 37, 55, § 148.
    In part. perf.: valvata ac fenestrata triclinia, Varr. L. L. 8, § 29 Müll.: singulae partes turris, Vitr. 10, 19 med.
  2. * II. Trop.: oportuit hominum pectora fenestrata et aperta esse, Vitr. 3 praef.