Meng Yao Wuxing Genus: Woody Soil.
Dream: The original meaning of the word dream refers to an illusion produced during sleep, and later refers to imagination.
"Shuo Wen Jie Zi" explains the cloud: unknown. Save your voice from the evening.
Yao: The soil is high.
"Shuowen Jiezi" explains the cloud: the soil is high. From three kinds of soil. It's all Yao's.
The meaning of the name can be interpreted as: "Dream? High. "