Bilge. The bilge of a vessel with double bottom tanks is a triangular channel on both sides formed by the margin plate of a double bottom, the curvature of the outer skin of the vessel and the bilge ceiling.
Below bridges (BB). This term can be Found in instructions from port and charterers' agents to the ship to ensure that the ship is kept at the appropriate draft in order to ensure that it will have sufficient clearance above its highest point to pass safely below bridges (or overhead obstructions such as power cables) across a canal, channel or river in the approaches to a berth or port. To ensure the ship's clearance below bridges would be the shipowner's obligation.
Blockade. Belligerent powers have the right of blockade, i.e., the right to blockade enemy ports or coastal territory for ocean shipping by military measures.
The blockade must be respected by neutral states. Running a blockade, if unsuccessful, may entail boarding and searching for contraband and confiscation of ship and cargo.
Both ends (Bends). This expression is frequently used when negotiating for the chartering of a ship, as regards rate of loading and discharge; loading and discharging expenses; appointment of charterers' or owners' agents at port of loading/discharge, etc. This term implies that the arrangements agreed upon apply both at the loading and discharging port(s).