Almagest
Pronunciation : Al"ma*gest
Part of Speech : n.
Etymology : [F. almageste, LL. almageste, Ar. al-majisti, fr. Gr.
Definition : Defn: The celebrated work of Ptolemy of Alexandria, which contains nearly all that is known of the astronomical observations and theories of the ancients. The name was extended to other similar works.
Source : Webster's Unabridged Dictionary, 1913