Anapest is a metrical foot used in poetry, consisting of two unstressed syllables followed by one stressed syllable. This pattern creates a rhythmic flow that can add a lively or playful quality to verses. For example, the word "understand" exemplifies this structure, as it has the stress on the last syllable. Anapestic meter is often found in light verse and children's poetry, making it popular among poets like Lewis Carroll and Dr. Seuss. The use of anapests can enhance the musicality of a poem, making it more engaging and memorable for readers and listeners alike.