Answer:

medusa

Answer	Crossword Clue
MEDUSA	Monster slain by Perseus
MEDUSA	Mortal sister of the immortal Stheno and Euryale
MEDUSA	Monster beheaded by Perseus

MEDUSA	Petrifying figure
MEDUSA	Gorgon with venomous locks
MEDUSA	She was beheaded by Perseus
MEDUSA	Her looks could kill
MEDUSA	One of the Gorgons
MEDUSA	Snaky-locked woman of myth
MEDUSA	Snake-haired woman of myth
MEDUSA	Mythological woman with unruly hair

MEDUSA	One beheaded by Perseus
MEDUSA	Jellyfish