The most common and most likely answer to this crossword clue is the 10 letter word BUTTONHOLE
I've seen this crossword clue in Financial Times
B
U
T
T
O
N
H
O
L
E
More clues leading to the result BUTTONHOLE
- Corner with talk of arrangement for flowers
- Flower worn in bum crack
- Collar and lapel containing this
- Detain in conversation about Bottom’s earlier awkward situation
- Collar — or another part of the shirt?
- Corner with talk of flower display
- Waylay Rose, perhaps
- Racing driver with puncture making corner
- Flower for display in corner
- Corner with talk of flowers?
Buddy explains!
The straight part
We know that "Collar/lapel containing this" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case collar/lapel containing this = buttonhole.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 BUTTONHOLE mean?
BUTTONHOLE noun- A hole through which a button is pushed to secure a garment or some part of one.
- A flower worn in a buttonhole for decoration.
- A small slot-like cut or incision, made for example by an accident with the scalpel.
- To detain (a person) in conversation against their will.