The most common and most likely answer to this crossword clue is the 8 letter word TRIANGLE
T
R
I
A
N
G
L
E
More clues leading to the result TRIANGLE
- Confusion about equipment, losing good kitchen item?
- Shape integral to bust
- Embroilment involving Rhode Island figure
- Instrument that has diamond cut in half?
- Shape of kitchen item
- Muddle keeps right one in complex romantic situation
- Make a botch of altering instrument
- Shape of unloaded trailer, one thrown into fire
- Percussion instrument, altering when beaten
- Instrument altering circles
Buddy explains!

The straight part
We know that "shape" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case shape = triangle.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 TRIANGLE mean?
TRIANGLE noun- A polygon with three sides and three angles.
- A set square.
- A percussion instrument made by forming a metal rod into a triangular shape which is open at one angle. It is suspended from a string and hit with a metal bar to make a resonant sound.
- (cue sports) A triangular piece of equipment used for gathering the balls into the formation required by the game being played.
- A love triangle.
- (systemics) The structure of systems composed with three interrelated objects.
- A draughtsman's square in the form of a right-angled triangle.
- A frame formed of three poles stuck in the ground and united at the top, to which people were bound when undergoing corporal punishment.
- Any of various large papilionid butterflies of the genus Graphium.
- A triangular formation of railway tracks, with a curve on at least one side.