The most common and most likely answer to this crossword clue is the 5 letter word LOCAL
I've seen this crossword clue in The Times
L
O
C
A
L
More clues leading to the result LOCAL
- Large cola ordered in neighbourhood pub
- Expression of amusement about leaders of creatures at watering-hole
- The French officer retreats, becoming confined
- Neighbourhood watch, roughly fifty
- Like some unsugared drink in pub
- Pub in Pimlico - calm
- Establishment purveying beer: diet?
- See visitor getting half cut in pub
- Provider of beer that's less fattening
- One won't knock you out in your pub
Buddy explains!

The straight part
We know that "Pub" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case pub = local.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 LOCAL mean?
LOCAL noun- A person who lives near a given place.
- A branch of a nationwide organization such as a trade union.
- A train that stops at all, or almost all, stations between its origin and destination, including very small ones.
- One's nearest or regularly frequented public house or bar.
- A locally scoped identifier.
- An item of news relating to the place where the newspaper is published.
- From or in a nearby location.
- (of a variable or identifier) Having limited scope (either lexical or dynamic); only being accessible within a certain portion of a program.
- (of a condition or state) Applying to each point in a space rather than the space as a whole.
- Of or pertaining to a restricted part of an organism.
- Descended from an indigenous population.
- In the local area; within a city, state, country, etc.
- An anesthetic (anesthetic substance) that causes loss of sensation only to the area to which it is applied.