portal: Meaning and Definition of

por•tal

1. a door, gate, or entrance, esp. one of imposing appearance, as to a palace.
2. an iron or steel bent for bracing a framed structure, having curved braces between the vertical members and a horizontal member at the top.
3. an entrance to a tunnel or mine.

por•tal

1. noting or pertaining to the transverse fissure of the liver.

1. See