the world > space > relative position > condition of being external > covering > [adjective] > covered > at the top or end (4)
Instrumental and parasynthetic, as steel-born, steel-bound, steel-clad, steel-girt, steel-graven, steel-lined, steel-shod; steel-barred, steel-bosomed…
Covered on the top as with a cap; crowned.
figurative. In predicative use with with: capped, crowned. Also in attributive use with preceding modifying word.