Haiku/ˈhaɪkuː/ Definition 1 of 1Pro Tip 1/3Cultural Tradition Haikus have a deep connection with Japanese culture and often capture nature's beauty. Her haiku captured the serenity of the falling cherry blossoms. Pro Tip 2/3Emotional Expression Haiku poems express complex feelings and moments in a concise way. His haiku conveyed the solitude of winter in just 17 syllables. Pro Tip 3/3Seasonal Reference Haikus traditionally include a 'kigo', a word that indicates the season. The word 'crocus' in her haiku suggested the poem was set in spring.