Letter of Marque

Letter of Marque, a commission to the captain of a merchant ship or a privateer to make reprisals on an enemy's ships or property.

Definition taken from The Nuttall Encyclopædia, edited by the Reverend James Wood (1907)

Leto * Letters Patent
[wait for the fun]
Lese-Majesty
Leslie
Leslie, Charles
Leslie, Sir John
Lespinasse
Lesseps, Ferdinand de
Lessing, Gotthold Ephraim
L'Estrange, Sir Roger
Lethe
Leto
Letter of Marque
Letters Patent
Lettres de Cachet
Leucippus
Leuctra
Leuthen
Levana
Levant
Levee
Levellers
Lever, Charles James