derrick
noun
ˈderɪk
noun
1
a
tall
machine
used
for
lifting
heavy
weights,
especially
on
ships
〔尤指船舶上的〕吊杆式起重机，转臂起重机
2
a
tall
tower
built
over
an
oil
well,
used
to
raise
and
lower
the
DRILL
油井架，钻塔