Temporal - Of or relating to time
Category: - GIS

Territorial Waters - That portion of the sea up to a limited instance which is immediately adjacent to the shores of any country and over which the sovereignty and exclusive jurisdiction of that country extend.
Category: - Maritime

T.E.U. - Twenty Foot Equivalent Unit (containers): A measurement of cargo-carrying capacity on a containership, referring to a common container size of 20 ft in length.
Category: - Maritime - Acronym

Thematic Map - A map designed primarily to show a "theme", a single spatial distribution or pattern, using a specific map type.
Category: - GIS

Third Engineer - In charge of eight to twelve watch. Maintains lighting fixtures. Repairs malfunctioning accessories in living quarters. Assist other engineers as directed.
Category: - Maritime

Third Mate - In charge of eight to twelve watch. Makes sure emergency survival equipment (lifeboats, life rings, etc.) are in order. Assists other officers as directed.
Category: - Maritime

Thunderstorm - A local storm, usually produced by a cumulonimbus cloud, and always accompanied by thunder and lightning.
Category: - Weather

Thwart - A seat in a lifeboat. Something that runs transverse.
Category: - Maritime

Tiller - An arm, attached to rudder head, which operates the rudder.
Category: - Maritime

Time Charter - A form of charter party wherein owner lets or leases his vessel and crew to the charterer for a stipulated period of time. The charterer pays for the bunkers and port charges in addition to the charter hire.
Category: - Maritime