👉 In Japanese, "haikai" refers to a type of Japanese poetry form that is characterized by its simplicity and brevity. It consists of lines with two or three syllables each, often in a repetitive pattern, such as "a haiku," which consists of four lines. Haikai poems are often used in writing competitions or for personal expression, and they can be written in various styles, including free verse and traditional Japanese poetry forms like the Shinto form.