LST

Noun

1. Initialism of landing ship, tank.
   • ‘And the last we heard of my brother Frank, he was wanted by the Florida police, the F.B.I., and the Treasury Department for running stolen cars to Cuba on war-surplus L.S.T.'s.’ - 1963, Kurt Vonnegut, Cat's Cradle,...
2. Initialism of Local Sidereal Time.
3. Initialism of Local Standard Time.