mer·man 
(mûrmăn′, -mən)
(mûrmăn′, -mən)n.
A legendary sea creature having the head and upper body of a man and the tail of a fish.
[MER(MAID) + MAN.]
- high-pressure
- high priest
- high priestess
- high priesthood
- high profile
- high-profile
- high relief
- high-res
- high-resolution
- high-rise
- high-risk
- high road
- highroad
- high roller
- high-rolling
- high school
- high-school
- high schooler
- high seas
- high sign
- high society
- high-sounding
- high-speed
- high-spirited
- high-spiritedly