Noun
A
sailor
acting
as
Neptune
''()'',
the
Roman
god
of
the
ocean
,
during
a
ceremony
on board
a
ship
when
it
is
crossing
the
equator
.
Proper noun
The
Roman
god
of
earthquakes
and
the
ocean
,
the
counterpart
of
Poseidon
in
Greek
mythology
.