name by which something is called; popular name; given name
Refers to the name or term commonly used to refer to a person, place, or thing, as opposed to an official or formal name. Can be a nickname, alias, or everyday designation.
The common name for this flower differs by region.
彼の呼び名は「タカ」だ。
His given name is 'Taka'.
Everyone calls him by the nickname 'Taka'.
The researchers gave the newly discovered flower a common name.
This fish has a common name, 'electric eel'.