The most common and most likely answer to this crossword clue is the 4 letter word BUSH
I've seen this crossword clue in Financial Times
B
U
S
H
More clues leading to the result BUSH
- Vehicle going over hard territory down under?
- British quiet losing leader in wild Australian parts
- President in wilderness
- Uncultivated country‘s transport hub just opening
- & 14 US president, daily rumour-spreader
- Eighth vehicle in the outback?
- Kate for president
- Back-to-back winner to coach Hungary
- Vehicle heading for Hertfordshire wilderness
- Forest‘s something eliminated by Brazilian president
Buddy explains!

The straight part
We know that "president" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case president = bush.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 BUSH mean?
BUSH noun- A woody plant distinguished from a tree by its multiple stems and lower height, being usually less than six metres tall; a horticultural rather than strictly botanical category.
- A shrub cut off, or a shrublike branch of a tree.
- A shrub or branch, properly, a branch of ivy (sacred to Bacchus), hung out at vintners' doors, or as a tavern sign; hence, a tavern sign, and symbolically, the tavern itself.
- A person's pubic hair, especially a woman's.
- The tail, or brush, of a fox.
- To branch thickly in the manner of a bush.
- To set bushes for; to support with bushes.
- To use a bush harrow on (land), for covering seeds sown; to harrow with a bush.
- A tavern or wine merchant.
- (often with "the") Rural areas, typically remote, wooded, undeveloped and uncultivated.
- A woodlot or bluff on a farm.
- Towards the direction of the outback.
- Amateurish behavior, short for "bush league behavior"
- Not skilled; not professional; not major league.
- A thick washer or hollow cylinder of metal.
- A mechanical attachment, usually a metallic socket with a screw thread, such as the mechanism by which a camera is attached to a tripod stand.
- A piece of copper, screwed into a gun, through which the venthole is bored.
- To furnish with a bush or lining.