Illustrated Companion to the Latin Dictionary/Conus

This article incorporates text from a publication now in the public domain: Rich, Anthony (1849). The illustrated companion to the Latin dictionary, and Greek lexicon. p. vi. OCLC 894670115. https://archive.org/details/illustratedcompa00rich. 

CO'NUS (κῶνος). Generally, anything of a conical figure; whence, in a more special sense: —

1. The metallic ridge on the scull piece of a helmet, to which the crest was affixed (Plin. H. N. x. 1. Virg. Aen. iii. 468.); for which the genuine Latin word is APEX; which see.

2. A particular kind of sun dial; from its designation, supposed to have been described upon an elevation of conical form. Vitruv. ix. 8. 1.