The most common and most likely answer to this crossword clue is the 6 letter word PELVIS
I've seen this crossword clue in The Guardian
P
E
L
V
I
S
More clues leading to the result PELVIS
- Power demonstrated by singer – who wiggled this
- Exercise is to be taken around 55 for strong skeletal structure
- Bottom of pop singer’s hips
- Location of hip joint featuring rock star on piano
- Part of the body, the sound of Peking?
- Elvis P. danced with this hipbone
- Prince and the King are hip
- Singer Costello, following onset of pulled groin?
Buddy explains!

The straight part
We know that "Part of the body" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case part of the body = pelvis.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 PELVIS mean?
PELVIS noun- The large compound bone structure at the base of the spine that supports the legs. It consists of hip bone, sacrum and coccyx.
- A funnel-shaped cavity, especially such a cavity in the kidney into which urine passes towards the ureter