heliacally


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Related to heliacally: Heliacal setting

he·li·a·cal

 (hĭ-lī′ə-kəl)
adj.
Of or relating to the sun, especially rising and setting with the sun.

[From Late Latin hēliacus, from Greek hēliakos, from hēlios, sun; see sāwel- in Indo-European roots.]

he·li′a·cal·ly adv.
American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.

heliacally

(hɪˈlaɪəkəlɪ)
adv
(Astronomy) astronomy in the manner of a heliacal rising
Collins English Dictionary – Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014
References in periodicals archive ?
The rising constellation is that Moon's "feather headdress," but only four of the year's 12 or 13 Moons were known to have worn the starry headdress of a heliacally rising constellation.
But the stars near Canis Major don't rise heliacally in February.