adverb, adverb taking the 'to' particle
flaring up; bursting into flames
Describes flames rising strongly and continuously, often with a roaring or blazing image. Used adverbially with と or as a する-verb.
枯れ草がメラメラと燃え上がった。
The dry grass flared up in flames.
焚き火がメラメラと音を立てて燃えている。
The bonfire is burning with a roaring sound.
Onomatopoeic word mimicking the sound and appearance of flames flaring up.