Lewis & Short

† ăcrōtērĭa, ōrum, n., = ἀκρωτήρια, the projecting or extreme part of a thing.

  1. I. Of a harbor, Vitr. 5, 12.
  2. II. In architecture, the projecting parts of a pediment, serving as a support for figures or statues, Vitr. 3, 5, 12 sq.; cf. Müll. Arch. § 284.