bund

A league or confederacy; especially the confederation of German states.

A group of foreign sympathizers of Nazi Germany, most notoriously before and during World War II.

A secondary enclosure, typically consisting of a wall or berm, which surrounds a tank or fluid-handling mechanism, intended to contain any spills or leaks.

The most important of these [secondary containment] provisions are bunds, which are enclosures capable of holding liquids that may escape from the vessels and pipes within the bund wall.

A perennial ("wet") or seasonal ("dry") pond constructed in a depression and in which fish are stored, typically for breeding.

An embankment.

It is pleasant to see the Chinese domestics and their families; or native ladies dressed in silks, their glossy hair held in by a broad black velvet band with a spray of pearls in front, being propelled along the bund in their hand-carts; but they are not used among Europeans, excepting after dark.

A massive opening in the bund (embankment), specifically there to screen the quarry from view, was needed, along with a Midland Railway-style bridge carrying a historic bridleway.

To provide berms or other secondary enclosures to guard against accidental fluid spills within.

Plant room floors are generally bunded and/or waterproofed to contain any leaks or spillages of liquids and fluids from faulty tanks, plant or pipe work.