Cryptic crossword clue
Deer kept out of sight crossing southern end of glen 4

The most common and most likely answer to this crossword clue is the 4 letter word HIND

I've seen this crossword clue in The Daily Telegraph
H
I
N
D

Buddy explains!

The straight part
We know that "Deer" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case deer = hind.
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 HIND mean?

HIND adjective
  1. Located at the rear (most often said of animals' body parts).
HIND noun
  1. A female deer, especially a red deer at least two years old.
  2. A spotted food fish of the genus Epinephelus.
HIND noun
  1. A servant, especially an agricultural labourer.

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