To divide something into two or more parts, or to separate from something else.
Splitting something can be a good thing or a bad thing, depending on the situation.
Examples:
I will split the cake with you.
The egg will split open soon.
She split the sandwich in half.
I split my pants when I bent over!
The mountain split in two during the earthquake.
He split the wood with an axe.
A division or separation, especially into two or more parts.
A split can be a physical thing, like a crack, or it can be a separation between people or groups.
Examples:
There is a split in the road ahead.
The split in the rock is very deep.
The split between them was very sad.
The split between the two teams was very funny.
The split in the tree trunk is huge.
The split between the two countries was very big.