死海 is read as しかい (shikai) and means Dead Sea.
しかい
shikai
しにん
corpse
しぬ
to cease
したい
dead body
ししゃ
dead person
しきょ
death
しせい
life and death
しご
dead language
し
(an) out
after death
しにたい
hopeless situation
しりょく
desperate effort
しべつ
bereavement