title deed

a deed or document containing or constituting evidence of ownership.

Origin of title deed

First recorded in 1760–70

Kruger's downfall should teach us that it is not rifles but Justice which is the title-deed of a nation.

The Great Boer War |Arthur Conan Doyle
But the Spaniard did not seal his title-deed with the indelible signet of race.

The Rising Tide of Color Against White World-Supremacy |Theodore Lothrop Stoddard
The English made their will law, and force their title-deed.

An Illustrated History of Ireland from AD 400 to 1800 |Mary Frances Cusack
That little paper which he guards so carefully is the title-deed.

Daisy's Necklace |Thomas Bailey Aldrich

Then what sending for the wise men who professed to explain the title-deed!

The Shepherd of Salisbury Plain and Other Tales |Hannah More

title deed

a deed or document evidencing a person's legal right or title to property, esp real property