The most common and most likely answer to this crossword clue is the 4 letter word OAST
I've seen this crossword clue in The Sunday Telegraph
O
A
S
T
More clues leading to the result OAST
- Sunday meal doesn't start in oven
- Brags endlessly, finding kiln for drying hops
- It provides beer and some toasties
- When to feed ‘eated oven
- Sunday lunch not right for this kind of oven
- Pensioner wanting pee on way hops here
- Where to cook the joint right away
- Cook won’t open oven
- Seaside not the first to get drier
- Oven meal needing no introduction
Buddy explains!

The straight part
We know that "Oven" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case oven = oast.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 OAST mean?
OAST noun- A kiln for drying tobacco, malt and especially hops.