n.
Pronunciation: ' al-m ə - ˌ jest
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 megist ē ( syntaxis ), literally, greatest (composition)
Date: 14th century
: any of several early medieval treatises on a branch of knowledge