The most common and most likely answer to this crossword clue is the 6 letter word BREAST
I've seen this crossword clue in The Daily Telegraph
B
R
E
A
S
T
More clues leading to the result BREAST
- Pig runs in front
- Creature consumes right cut of meat
- Monster devouring rook and chicken part
- Mamma’s face
- Baster ruined serving of chicken
- Brute grabbing queen’s bosom
- Milk producer, one in a French city
- Acreage retained in French city for milk producer
- Part of turkey baster is broken
- Savage to devour rook and chicken portion
Buddy explains!

The straight part
We know that "Outstanding feature" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case outstanding feature = breast.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 BREAST mean?
BREAST noun- Either of the two organs on the front of a female human's chest, which contain the mammary glands; also the analogous organs in males.
- The chest, or front of the human thorax.
- A section of clothing covering the breast area.
- The figurative seat of the emotions, feelings etc.; one's heart or innermost thoughts.
- The ventral portion of an animal's thorax.
- A choice cut of poultry, especially chicken or turkey, taken from the bird’s breast; also a cut of meat from other animals, breast of mutton, veal, pork.
- The front or forward part of anything.
- The face of a coal working.
- The front of a furnace.
- The power of singing; a musical voice.
- To push against with the breast; to meet full on, oppose, face.
- To reach the top (of a hill).
- To debreast.