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Maritime Glossary

Source-cited definitions for shipping, engineering, navigation, and regulatory terminology. Confidence-scored and verified against primary IMO, IHO, and industry sources.

Windlassanchor windlass
A windlass is the deck machinery, mounted on the forecastle, used to raise and lower the anchor and to handle the anchor cable. It has a cable lifter shaped to grip the chain, and usually warping drums for handling mooring lines as well.
deck-machinerymooringseamanshiphigh confidence
WorldscaleWS · New Worldwide Tanker Nominal Freight Scale
Worldscale is a standardised index of nominal freight rates for oil tankers, published for a great many voyage routes. Actual charter rates are negotiated and quoted as a percentage of the Worldscale nominal rate for the route, written as, for example, WS 100.
commercialcharteringoil-and-gashigh confidence