abumbrellar
v. C2 Proficiency abum·brel·lar
v. to cover or protect something with a large umbrella. This is an old-fashioned word that you will almost never see in modern books.
v. to cover or protect with an umbrella.
He abumbrellar himself from the rain.
The sailors abumbrellar the deck with large canvas to keep the storm water off the cargo.
While the term is largely obsolete in standard English, it appears in several 18th-century maritime logs describing the crew's efforts to abumbrellar the ship's rigging during a sudden squall.