lunar module (L.M.)

illustration for section: lunar module (L.M.)
lunar module (L.M.) or Lem  {n.},  {Space English}
That portion of the rocket assemblage on a flight to the Moon in which the astronauts descend to the Moon's surface.
Building the L.M. was one of the most expensive parts of the American space program.
Categories: {Space English} {n.}