A figure marked on the side of merchant vessels to indicate allowed loading depths. Named after Samuel Plimsoll, English Member of Parliament and maritime reformer.

When a boat has two separate fins, instead of a centerboard or keel, they are referred to as bilge boards.

The space between the two sides of the shell of a block in which the sheave is fitted.

A hand held pneumatic tool. Designed for light demolition work, digging, making holes etc.

Light, warm wind on surface of sea.

Where the engines of a ship are confined.

A certificate issued as a result of an examination of competency and experience. Some refer to their USCG license as their ticket

Abbreviation for "Master Container Freight Station." See CFS.

An old expression meaning heartily or quickly.

Shoal area between two navigational channels.

Is a pipe extending downward from the bottom of the airline to collect any condensation flow in the pipe.

The portion of a valve used to guide the disc.

A filter element so full of contaminants that no longer can pass rated flow without excessive pressure differential.

A navigational aid used in the United States and Canada to mark a channel. Green triangular daymarks should be kept on the left when returning from a larger to smaller body of water.

The Roman god of the sea, associated with Salacia, the goddess of Salt Water.

A knot with two half hitches loops - on the standing part of the line.

A term used to describe a chemical process in which heat is released. For example, combustion is an exothermic process because heat is released. A reaction or process that produces heat; a combustion reaction.

Abbreviation for "Inland Point Intermodal." Refers to inland points (non-ports) that can be served by carriers on a through bill of lading.

A Latin term meaning "For the sake of form."