Definition of slay en masse:
(n) :
killing, especially murder of a human
"the slaying of the civil rights activist brought a storm of protest."
(v) :
present participle of
slay
Definition of slay en masse:
(n) :
killing, especially murder of a human
"the slaying of the civil rights activist brought a storm of protest."
(v) :
present participle of
slay