The most common and most likely answer to this crossword clue is the 5 letter word TRESS
T
R
E
S
S
More clues leading to the result TRESS
- Suffering girl's lost hair
- Lock head of state away after uprising
- Lock of hair given emphasis — not the first
- Something of a shock — tension initially relieved
- Lock down leader abandoning state
- Focus attention on cutting first lock of hair
- Lock of hair, very French, extended at end?
- Lock theatre’s spare boxes
- Nancy’s very small plait
- Emphasise cropped hair
Buddy explains!

The straight part
We know that "Lock of hair" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case lock of hair = tress.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 TRESS mean?
TRESS noun- A braid, knot, or curl, of hair; a ringlet.
- A long lock of hair
- (by extension) A knot or festoon, as of flowers.
- To braid or knot hair.