2 Metaphors for sill

The sill of the north entrance-door of Westminster Hall is only 11 inches.

Wept the Alruna wife; Kissed her fair Freya: 'Far off in the morning land, High in Valhalla, A window stands open; Its sill is the snow-peaks, Its posts are the waterspouts, Storm-rack its lintel; Gold cloud-flakes above Are piled for the roofing, Far up to the Elfin-home, High in the wide-blue.

2 Metaphors for  sill