The most common and most likely answer to this crossword clue is the 4 letter word PEEP
I've seen this crossword clue in The Guardian
P
E
E
P
More clues leading to the result EYE
- Odd pieces removed from very new organ
- Sense organ certainly aural?
- Viewer, the first person in auditorium
- Listener’s vote for viewer
- Study centre, of a sort
- Look at yours truly when speaking
- Looker? Yes, by the sound of it
- Study agreement in speech
- Striking, say outside, you whip and punch
- One looking for attention
Buddy explains!

The straight part
We know that "Look" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case look = eye.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 PEEP mean?
PEEP noun- A quiet sound, particularly one from a baby bird.
- A feeble utterance or complaint.
- The sound of a steam engine's whistle; typically shrill.
- A kind of bird; a sandpiper.
- To make a soft, shrill noise like a baby bird.
- To speak briefly with a quiet voice.
- A quick look or glimpse, especially a furtive one.
- The first partial appearance of something; a beginning to appear.
- To look, especially through a narrow opening, or while trying not to be seen or noticed.
- To begin to appear; to look forth from concealment; to make the first appearance.
- A spot on a die or domino.
- Person.