A rubai is a type of Persian poetry that has four lines. Each line has a specific number of syllables.
Rubai poetry is often seen as beautiful and traditional.
Examples:
She wrote a rubai for her class assignment.
The rubai had four lines, just like it should.
The rubai was very old and very beautiful.
I wrote a rubai about my cat, and it was very funny.
In the book, there was a rubai about a dragon and a princess.
The rubai was so good, I remembered it all day.