hull

The outer covering of a fruit or seed.

Any covering.

To remove the outer covering of a fruit or seed.

“She sat on the back porch hulling peanuts.”

The body or frame of a vessel, such as a ship or plane.

(of a set A) The smallest set that possesses a particular property (such as convexity) and contains every point of A; slightly more formally, the intersection of all sets which possess the specified property and of which A is a subset.

“The orthogonal convex hull of an orthogonal polygon is the smallest orthogonally convex polygon that encloses the original polygon.”

To drift; to be carried by the impetus of wind or water on the ship's hull alone, with sails furled.

To hit (a ship) in the hull with cannon fire etc.