Comparable entry, according to Adler, in the Ambrosian Lexicon (1061).
The neuter noun is used in various contexts: top of a mountain, promontory of land, ornament of ship's stern-post, ornament on the angle of the pediment of a building; (in the plural) extremities of the limbs (hands, feet, fingers, toes). See LSJ entry at web address 1.
cf. alpha 1030.