> 1 occupying a position at, or on both sides of, a boundary or threshold: I was in the liminal space between past and present | the paintings in this exhibition are the result of recent investigation into liminal states.
> 2 relating to a transitional or initial stage of a process: that liminal period when a child is old enough to begin following basic rules but is still too young to do so consistently.
By definition, metro stations are liminal spaces, as are airports, airlocks, highways, and most every transit station.
Nice callout.
Neither here nor there, but many (most?) fish are carnivorous.