Acronyc
Pronunciation : A*cron"yc
Part of Speech : A*cron"ych*al
Etymology : [Gr. (Astron.)
Definition : Defn: Rising at sunset and setting at sunrise, as a star; -- opposed to cosmical.
Note: The word is sometimes incorrectly written acronical, achronychal, acronichal, and acronical.
Source : Webster's Unabridged Dictionary, 1913