1. A surface that is exposed, uncovered, or without any coating, covering, or ornamentation
The bare surface of the concrete wall showed signs of aging.
A superfície nua da parede de concreto mostrava sinais de envelhecimento.
2. In construction or manufacturing, a surface without paint, finish, or protective treatment
The carpenter sanded the wood down to its bare surface.
O carpinteiro lixou a madeira até sua superfície nua.
3. A plain or unadorned surface lacking texture or embellishment
The bare surface of the table was cold to the touch.
A superfície nua da mesa era fria ao toque.