1. A plant that has lost all vital functions and is no longer alive; a plant that has ceased to grow and is decaying
The dead plant in the corner needs to be removed and replaced with a fresh one.
A planta morta no canto precisa ser removida e substituída por uma nova.
2. In architectural or urban planning terms, a floor plan that is no longer in use or has been abandoned
The dead plant layout of the old building was replaced with a modern design.
A planta morta do edifício antigo foi substituída por um design moderno.