What does the word superincumbent mean?

Usage examples for superincumbent

  1. The smoke, which had lain upon their very decks, as though pressed down by the superincumbent weight of the atmosphere first began to stir; was then seen eddying among the masts; and, finally, whirled wildly away before a powerful current of air. – The Red Rover by James Fenimore Cooper
  2. The little animals had a knowing look as they peered from under the superincumbent mass, and, supported on either side by the by- standers till we got a little steady in our seats, we put forth from Missilonghi. – Incidents of Travel in Greece, Turkey, Russia, and Poland, Vol. I (of 2) by John Lloyd Stephens