Found 2 items, similar to heliac.
English → English (WordNet) Definition: heliac heliac adj : 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 rising of the Dog Star”; “the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian name for the Dog Star)” [syn: heliacal]
English → English (gcide) Definition: Heliac Heliac \He"li*ac\, a. Heliacal. [1913 Webster]