The most common and most likely answer to this crossword clue is the 5 letter word TERRA
T
E
R
R
A
More clues leading to the result TERRA
- Arrival by alien going around Earth
- Legally land aquatic reptile losing leg
- . Land of the Romans creating panic, I hear
- Old soldiers hiding blunder land in 9
- Land turtle missing leg
- Tip to stop removing sulphur and earth
- Earth backs tribunal judgement
- Legal decision returning to land
- Balcony missing in current times in the ground floor?
- Drink around river right by land
Buddy explains!

The straight part
We know that "land" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case land = terra.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does TERRA mean?
TERRA noun- (astrogeology) A rough upland or mountainous region of the Moon with a relatively high albedo.