The most common and most likely answer to this crossword clue is the 4 letter word SASH
I've seen this crossword clue in The Times
S
A
S
H
More clues leading to the result SASH
- Band's big hit
- Band of commandos at hospital
- Symbol of rank crack troops held at first
- Band of elite British soldiers descending on hotel
- Elite soldiers bashing in middle window frame
- Baldrick stokes remains of fire
- Band’s big hit millions ignored
- Frame elite regiment with heroin
- Band seen hanging around Miss World?
- Band’s timeless collection
Buddy explains!

The straight part
We know that "Frame" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case frame = sash.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 SASH mean?
SASH noun- A piece of cloth designed to be worn around the waist.
- A decorative length of cloth worn over the shoulder to the opposite hip, often for ceremonial or other formal occasions.
- To adorn with a sash.
- The opening part (casement) of a window usually containing the glass panes, hinged to the jamb, or sliding up and down as in a sash window.
- A draggable vertical or horizontal bar used to adjust the relative sizes of two adjacent windows.
- In a sawmill, the rectangular frame in which the saw is strained and by which it is carried up and down with a reciprocating motion; the gate.
- To furnish with a sash.