1. In anatomy, the plane that divides the body into front and back portions; the plane parallel to the front of the body
The frontal plane divides the body into anterior and posterior sections.
O plano anterior divide o corpo em seções anterior e posterior.
2. In geometry or spatial orientation, a plane positioned toward the front or forward direction
The image was positioned in the anterior plane of the diagram.
A imagem foi posicionada no plano anterior do diagrama.