portal

n : an grand and imposing entrance (often extended

metaphorically); "the portals of the cathedral"; "the

portals of heaven"; "the portals of success"

PORTAL

Process-Oriented Real-Time Algorithmic Language.

["PORTAL - A Pascal-based Real-Time Programming Language",

R. Schild in Algorithmic Languages, J.W. deBakker et al eds,

N-H 1981].