Skip to definition.
Get the FREE one-click dictionary software for Windows or the iPhone/iPad and Android apps


Adjective: heliacal  hi'lI-u-kul
  1. Pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun
    "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)";
    - heliac

Encyclopedia: Heliacal