cover, lid
No te olvides de bajar la tapa del inodoro cuando termines de usarlo.
Don’t forget to put the toilet seat down when you’re finished using it.
The lid is closed.
No se puede juzgar un libro por la tapa.
You can't judge a book by its cover.
La tapa se abrirá en dos y Jesús aparecerá.
The lid will open in two and Jesus will appear.
— Ágora (2009)