anything that encircles the head, for defence or ornament:
I.the brim of the helmet, projecting behind as well as before, Il.
2.part of a woman's head-dress, a diadem, coronal, id=Il., Hes., etc.:—metaph., of a city, ἀπὸ στεφάναν κέκαρσαι πύργων thou hast been shorn of thy coronal of towers, Eur.
II.the brim or edge of anything, the brow of a hill, edge of a cliff, Il.; of a basket, Mosch.
