Tannin

Tannin, an astringent principle found in gallnuts and the bark chiefly of the oak.

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

Tannhäuser * Tantalus
Tandy, James Napper
Tanganyika
Tangier
Tanis
Tanist Stone
Tanistry
Tanjore
Tannahill, Robert
Tanner, Thomas
Tannhäuser
Tannin
Tantalus
Tantia Topee
Taoism
Taormina
Tapajos
Tapley, Mark
Tapti
Tara, Hill Of
Taranaki
Taranto