ˈsabət noun
( -s )
Usage: often capitalized
Etymology: French, literally, sabbath, from Latin sabbatum — more at sabbath
: a midnight assembly of witches and sorcerers held in medieval and Renaissance times at intervals (as on Walpurgis Night, Halloween) to renew allegiance to the devil sometimes present in a form like a goat and to celebrate rites (as the Black Mass) and orgies — called also sabbath, witches' sabbath