What does 🗝 mean. 🗝 Meaning: old key emoji, clue emoji, key emoji, lock emoji, old emoji. Old Key as emoji was first used in 2014 and belongs to the category Objects - Lock. Also in the above tables you will find 🗝 meaning, 🗝 code HTML, what image is used to represent this emoji, or some of the codes used in programming languages as string data to display 🗝 emoji.