The most common and most likely answer to this crossword clue is the 4 letter word YARD
I've seen this crossword clue in The Times
Y
A
R
D
More clues leading to the result YARD
- Quadrangle where low cart is reversing
- Police wagon overturned
- Measure that’s used to exercise prisoners
- Reverse cart a short distance
- Cart backing up three feet
- Diamonds gleam around enclosed area
- On board, ultimately, beam raised – a few feet?
- Garden in America this short?
- Cart over three feet
- Measure garden?
Buddy explains!

The straight part
We know that "Quadrangle" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case quadrangle = yard.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 YARD mean?
YARD noun- A small, usually uncultivated area adjoining or (now especially) within the precincts of a house or other building.
- The property surrounding one's house, typically dominated by one's lawn.
- An enclosed area designated for a specific purpose, e.g. on farms, railways etc.
- A place where moose or deer herd together in winter for pasture, protection, etc.
- One’s house or home.
- To confine to a yard.
- A unit of length equal to 3 feet in the US customary and British imperial systems of measurement, equal to precisely 0.9144 m since 1959 (US) or 1963 (UK).
- Units of similar composition or length in other systems.
- Any spar carried aloft.
- A branch, twig, or shoot.
- A staff, rod, or stick.
- A penis.
- 100 dollars.
- The yardland, an obsolete English unit of land roughly understood as 30 acres.
- The rod, a surveying unit of (once) 15 or (now) 16 1/2 feet.
- The rood, area bound by a square rod, 1/4 acre.
- 109, A short scale billion; a long scale thousand millions or milliard.