landing - The action of bringing an object to land.
landing party - A team of officers who land on a planet, station, ship, or other area. They are usually sent for missions or to investigate the terrain before anyone else is allowed to beam down.
Larish Pie - A traditional Bajoran pie.
latinum - A very valuable substance usually encased in gold.
LCDR - Lieutenant Commander / Lt. Commander
leech - Something that sticks to someone or something else for its own benefit.
LF4M - look for four more
LFEM - Looking for Experienced Member
LFG - Looking for Group
LFM - Looking for Member
LFT - Looking for Team
library - A building that contains media such as books, magazines, and other information.
Lieutenant Grall - An officer in Star Trek Online that gives exploration missions.
life support - A system on ships which control gravity, inertial dampeners, and the atmosphere.
linguistic translator - A device that can translate one language into another.
link - A connection between two things.
liquid - Having a consistency similar to water or oil.
live long and prosper - A salute often used by Vulcan.
LL&P - Live Long, and Prosper
LLAP - Live Long, and Prosper
Lng - Lunge (Tactical Ability)
Lobi Crystal - A precious stone which is used as currency in Star Trek Online to purchase items on Drozana Station.
log - A recording of events. For example, in Star Terk the Captain's Log was a recording of the ship's events from the Captain's point of view.
lol - Laugh out Loud
lore - A collection of knowledge on a particular subject.
LS - Leg Sweep (Tactical Ability)
LT - Lieutenant
Lt. Grall - A Lieutenant in Starfleet that gives exploration missions in the Delta Volanis Cluster for Star Trek Online.
LY - Light Year