The most common and most likely answer to this crossword clue is the 7 letter word IVORIES
I've seen this crossword clue in The Guardian
I
V
O
R
I
E
S
More clues leading to the result IVORIES
- Climbers pocketing gold keys
- Welshman that is sticking with second teeth?
- Joanna’s bits to tickle four men, namely, sons
- Choppers soldiers hid among evergreens
- Note producers — they might be tickled!
- Is about to strive to secure gold, showing keys
- Climbers carrying men’s keys
- Composer Charles goes around Rio playing piano keys
- Welshman lies after losing leader’s keys
Buddy explains!

The straight part
We know that "keys" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case keys = ivories.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 IVORIES mean?
IVORIES noun- The keys of a piano.
- The teeth.
- The hard white form of dentin which forms the tusks of elephants, walruses and other animals.
- A creamy white color, the color of ivory.
- Something made from or resembling ivory.
- (collective, singular or in plural) The teeth.
- (collective, singular or in plural) The keys of a piano.
- A white person.