Onomatopeia is defined as words that represent the sounds they make in poetry. Option C is correct.
Onomatopoeia is a poetry device that consists of the use or format of words whose sounds imitate their meanings. Onomatopoeia is a poetry device that adds depth to writing, but the sounds can only be heard when you speak them. Onomatopeia uses phonetics to recreate actual sounds people hear. These words typically mimic the sound of an action.