[al.ma.gest] n [ME almageste, fr. MF & ML, fr. Ar al-majusti, the Arabic version of Ptolemy's astronomy treatise, fr. al the + Gk megiste (syntaxis), lit., greatest (composition)] (14c): any of several early medieval treatises on a branch of knowledge
ALMAGEST
Meaning of ALMAGEST in English
Merriam-Webster English vocab. Английский словарь Merriam Webster. 2012