The most common and most likely answer to this crossword clue is the 7 letter word RETICLE
R
E
T
I
C
L
E
Buddy explains!

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 RETICLE mean?
RETICLE noun- A grid, network, or crosshatch found in the eyepiece of various optical instruments to aid measurement or alignment
- A reticle; a grid in the eyepiece of an instrument.
- A small women's bag made of a woven net-like material.