"LT" can have different meanings depending on the context. Here are some possible meanings of "LT" based on the search results:

• Lieutenant: "LT" is a written abbreviation for "lieutenant".
• Light: "LT" can also be an abbreviation for "light".
• Long ton: "LT" can be an abbreviation for "long ton".
• ISO 3166-1 country code for Lithuania: "LT" is the ISO 3166-1 country code for Lithuania.

It is important to know the context in which "LT" is used to determine its meaning.