1. A tree that is advanced in age, typically characterized by a thick trunk, gnarled branches, and established root system
The old tree in the center of the village has stood for over two centuries.
A árvore velha no centro da aldeia tem mais de dois séculos.
2. Figuratively, something ancient, established, or deeply rooted in tradition or history
That company is an old tree in the business world.
Essa empresa é uma árvore velha no mundo dos negócios.