Metrical/ˈmetrɪkl/ Definition 1 of 2Pro Tip 1/3Poetic Rhythm Understanding 'metrical' helps to grasp the beat of a poem, much like music. Many nursery rhymes are written in simple metrical forms. Pro Tip 2/3Iambic Misconception 'Metrical' doesn't only mean iambic pentameter; it covers all rhythmic patterns. That poem was metrical but followed a trochaic rhythm instead. Pro Tip 3/3Not Always Obvious Some metrical poems may have variations that subtly alter the expected rhythm. Despite the irregularities, the poet maintained a metrical structure.