Sonja is a fictional character from the Underworld series of films. This character is the daughter of the vampire elder Viktor, introduced by flashback, in Underworld. Red Sonja, the She-Devil with a Sword, is a fictional character who first appeared in Conan the Barbarian #23 (Marvel Comics).
tetralogy (plural tetralogies) 1  A set of four works of art that are connected, and that can be seen either as a single work or as four individual works. They are commonly found in literature, film, or video games. ( 2 medicine) A combination of four symptoms.
tetany. 1. continuous tonic spasm of a muscle; steady contraction of a muscle without distinct twitching. 2. a syndrome manifested by sharp flexion of the wrist and ankle joints (carpopedal spasm), muscle twitchings, cramps, and convulsions, sometimes with attacks of stridor.