Tropics

Tropics, two parallels of latitude on either side of the equator, which mark the limits N. and S. of the sun's verticality to the earth's surface, the distance being in each case 23½°; the northern tropic is called the Tropic of Cancer, and the southern the Tropic of Capricorn.

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

Trophonius * Troppau
[wait for the fun]
Tristram, Sir
Triton
Tritratna
Trochu, Louis Jules
Trollope, Anthony
Tromp, Cornelius
Tromp, Martin Harpertzoon
Tromsö
Trondhjem
Trophonius
Tropics
Troppau
Trossachs
Troubadours
Trouvères
Trowbridge
Troy
Troy
Troyes
Truck-system
Trumbull, Jonathan