Maritime Glossary

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

Tankeroil tanker · product tanker · chemical tanker
A bulk-liquid cargo ship carrying oil, chemicals, liquefied gas, or other liquid commodities in integral tanks.
vessel-typescargohigh confidence
Time CharterT/C
A charter under which the owner provides a crewed, maintained vessel for a period at a daily hire rate.
commercialcharteringhigh confidence
Trimlongitudinal trim
The difference between a vessel's aft draft and forward draft.
vessel-measurementsseamanshipengineeringhigh confidence
Twenty-Foot Equivalent UnitTEU
The standard unit of container volume in shipping, based on a 20-foot ISO container.
cargovessel-measurementscommercialhigh confidence