English Reference
Noun

lander

n. countable
C2 Proficiency US /ˈɫændɝ/ UK /lˈændɐ/ lan·der Internet Mining

n.a spacecraft designed to reach the surface of a planet or moon and stay there. Unlike a rover, it usually stays in one spot to collect data.

n.a spacecraft designed to descend toward and come to rest on the surface of a celestial body. Typically distinguished from an orbiter or a rover by its stationary mission profile upon arrival.


SIMPLE

The lander sent back clear photos of the rocky surface.

CONTEXTUAL

Engineers lost contact with the lander shortly after it entered the thin Martian atmosphere.

COMPLEX

The mission's success depended on the lander's ability to deploy its scientific instruments autonomously in the extreme cold of the lunar south pole.

Usage

Often used in compound nouns such as 'lunar lander' or 'Mars lander'.

NASA is assembling the foundations of a future Moon Base through a wave of robotic missions and powerful new commercial landers.

ScienceDaily· 11 Aug 2026

But there are also questions about whether astronauts really need to explore the Moon when orbiters, rovers and landers can do the job.

BBC News· 11 Apr 2026

Common in science writing

This entry
Level C2 · Proficiency
Frequency Occasional
Updated