The most common and most likely answer to this crossword clue is the 5 letter word IAMBI
I've seen this crossword clue in The Times
I
A
M
B
I
More clues leading to the result IAMBI
- A doctor probing eyes, we hear, and feet
- A storage unit with two round feet?
- Doctor in Iowa, one for feet
- The writer's drawn to men and women's feet
- Metrical patterns in book one French friend carries
- Early morning, first pair of big feet
- Roman pair squeezing a medic’s feet
- Ace storage unit with two round feet?
- Metrical patterns in book carried by one French friend
- Setter is into both men and women’s feet
Buddy explains!

The straight part
We know that "feet" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case feet = iambi.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 IAMBI mean?
IAMBI noun- An iamb