entrykey
nounUK /ˈɛntri kiː/
US /ˈɛntri kiː/
A special key that opens a door or lets you in.
She used the entrykey to open the front gate.
OTHER MEANINGS
2. A code or password that lets you get into a computer system or account.
He typed the entrykey to log in to the game.
3. A small card or badge that lets a person enter a building.
Visitors must wear an entrykey around their neck.
4. The main clue or answer that helps you solve a puzzle.
The riddle's entrykey was hidden in the first line.