its used to describe the shape of something. an example is the box is squarish.
Squarish shape
it is squarish and flattish
Squarish cells
A cone has a round bottom, and the pyramid has a squarish bottom.
i do not know how to use embalming in a sentence. (there is the sentence)
its small kind of squarish
A Pavillion is usually a squarish shape while an Arena is a Circle
When you are facing the rear, its the squarish port all the way to the left.
So- you are asking when to use 'when' in a sentence. When you are asking how to use when in a question, you are already using when in a sentence, because a question actually is a sentence. I like to use when in a sentence whenever I like.
use contingency in a sentence?
How do you use sedition in a sentence
use adainty as sentence