Main Entry: al·ma·gest

Pronunciation: \ˈal-mə-ˌjest\

Function: noun

Etymology: Middle English almageste, from Anglo-French & Medieval Latin, from Arabic al-majusti, the Arabic version of Ptolemy's astronomy treatise, from al the + Greek megistē (syntaxis), literally, greatest (composition)

Date: 14th century

: any of several early medieval treatises on a branch of knowledge