A Spenserian sonnet is a type of poem that consists of 14 lines, structured in three quatrains followed by a couplet. It typically follows the rhyme scheme ABAB BCBC CDCD EE. This form was popularized by the poet Edmund Spenser in his work "The Faerie Queene," which combines elements of both the Petrarchan sonnet and the Shakespearean sonnet. The Spenserian sonnet often explores themes of love, beauty, and nature, using rich imagery and intricate language. Each quatrain develops a specific idea or argument, while the final couplet provides a resolution or commentary on the preceding verses. This structure allows for a nuanced exploration of complex emotions and thoughts.