also: べつみょう
noun
another name; different name; synonym
Used for an alternative name for the same thing, including synonyms in terminology.
この植物は別名を「夜顔」ともいう。
This plant is also known by another name, 'night face'.
noun
Specifically for a person's assumed name, such as a writer's pen name or an alias.
その作家は別名で小説を発表している。
The author publishes novels under a pseudonym.