The most common and most likely answer to this crossword clue is the 5 letter word TUSKS
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More clues leading to the result TUSKS
Buddy explains!

The straight part
We know that "elephant features" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case elephant features = tusks.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 TUSKS mean?
TUSKS noun- One of a pair of elongated pointed teeth that extend outside the mouth of an animal such as walrus, elephant or wild boar.
- A small projection on a (tusk) tenon.
- A tusk shell.
- A projecting member like a tenon, and serving the same or a similar purpose, but composed of several steps, or offsets, called teeth.
- A sharp point.
- The share of a plough.
- A fish, the torsk (Brosme brosme).