n.
Pronunciation: ' jas-p ə r
Function: noun
Etymology: Middle English jaspre, from Anglo-French jaspre, jaspe, from Latin jaspis, from Greek iaspis, of Semitic origin; akin to Hebrew y ā sh ĕ pheh jasper
Date: 14th century
1 : an opaque cryptocrystalline quartz of any of several colors especially : green chalcedony
2 : colored stoneware with raised white decoration
3 : a blackish green
– jas · pery \ -p ə -r ē \ adjective