1. almagest - Noun
2. Almagest - Proper noun
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 dictionaryA copy of Ptolemy 's Almagest was brought back to Sicily by Henry Aristippus (d. 1162), as a gift from the Emperor to King William I (r. 1154 1166). Source: Internet
As with the model of the solar system in the Almagest, Ptolemy put all this information into a grand scheme. Source: Internet
However Peuerbach fell ill in 1461 and died only having completed the first six books of his abridgement of the Almagest. Source: Internet
Cameron, who analyzed Theon's titles for other books of Almagest and for other scholarly texts of late antiquity, concludes that Hypatia corrected not her father's commentary but the text of Almagest itself. Source: Internet
During his time in Italy he completed Peuerbach's Almagest abridgement, Epytoma in almagesti Ptolemei. Source: Internet
Had he been victorious over the Byzantine Emperor, Al-Ma'mun would have made a condition of peace be that the emperor hand over of a copy of the "Almagest". Source: Internet