In poetry, what is the use of a word that sounds like what it describes known as?

The use of a word that sounds like what it describes is known as onomatopoeia. This literary device captures a sound through words that imitate the noises associated with the objects or actions they refer to. For example, words like "buzz," "hiss," and "bang" closely mimic the actual sounds they represent, creating an auditory image that enhances the reader's experience and engagement with the poem.

Onomatopoeia adds a dynamic quality to poetry, as it evokes sensory responses from the audience, allowing them to hear the sounds in their imagination. The effectiveness of onomatopoeia lies in its ability to convey vivid imagery and emotion, making it a powerful tool for poets.