The most common and most likely answer to this crossword clue is the 7 letter word SCRATCH
I've seen this crossword clue in The Times
S
C
R
A
T
C
H
More clues leading to the result SCRATCH
- Withdraw with minor injury
- Nick caught rodent in school
- Minor injury certainly no handicap
- School acquiring oddly neglected Scarlatti score
- Mark is to withdraw from contest
- Score that’s zero for golfer
- “15 shillings? Leave it out!” – Dickensian Bob
- Small problem with resistance leader in nick
- Withdraw shillingfrom Dickens at Xmas – it’s gone
- Withdraw from competition, having a slight injury
Buddy explains!

The straight part
We know that "Nick" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case nick = scratch.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 SCRATCH mean?
SCRATCH noun- A disruption, mark or shallow cut on a surface made by scratching.
- An act of scratching the skin to alleviate an itch or irritation.
- A starting line (originally and simply, a line scratched in the ground), as in boxing.
- A technical error of touching or surpassing the starting mark prior to the official start signal in the sporting events of long jump, discus, hammer throw, shot put, and similar. Originally the starting mark was a scratch on the ground but is now a board or precisely indicated mark.
- The last riders to depart in a handicap race.
- An aberration.
- A horse withdrawn from a race prior to the start.
- Money.
- A feed, usually a mixture of a few common grains, given to chickens.
- (in the plural) Minute, but tender and troublesome, excoriations, covered with scabs, upon the heels of horses which have been used where it is very wet or muddy.
- A scratch wig.
- A genre of Virgin Islander music, better known as fungi.
- To rub a surface with a sharp object, especially by a living creature to remove itching with nails, claws, etc.
- To rub the skin with rough material causing a sensation of irritation; to cause itching.
- To mark a surface with a sharp object, thereby leaving a scratch (noun).
- To cross out, strike out, strike through some text on a page.
- To produce a distinctive sound on a turntable by moving a vinyl record back and forth while manipulating the crossfader (see also scratching).
- To commit a foul in pool, as where the cue ball is put into a pocket or jumps off the table.
- To score, not by skillful play but by some fortunate chance of the game.
- To write or draw hastily or awkwardly; scrawl.
- To dig or excavate with the claws.
- To dig or scrape (a person's skin) with claws or fingernails in self-defense or with the intention to injure.
- For or consisting of preliminary or tentative, incomplete, etc. work.
- Hastily assembled, arranged or constructed, from whatever materials are to hand, with little or no preparation
- (from scratchpad) Relating to a data structure or recording medium attached to a machine for testing or temporary use.
- (of a player) Of a standard high enough to play without a handicap, i.e. to compete without the benefit of a variation in scoring based on ability.