スパゲッティーニMeanings1nounspaghettiniA thin type of spaghetti, thinner than regular spaghetti but thicker than capellini.from Italian今こん夜やはスパゲッティーニを茹ゆでて、トマトソースで食たべよう。Let's boil spaghettini and eat it with tomato sauce tonight.