A cherub (/ˈtʃɛrəb/;[1] pl.: cherubim; Hebrew: כְּרוּב kərūḇ, pl. כְּרוּבִים kərūḇīm, are one of the unearthly beings in Abrahamic religions. The numerous depictions of cherubim assign to them many different roles, such as protecting the entrance of the Garden of Eden.[2]
Jewish Encyclopedia2
was invoked but never defined (see the help page).