Definition of "Tet"

Tet¹

proper noun
1. Vietnamese New Year celebration, occurring during the first seven days of the first month of the lunar calendar.
2. The Tet Offensive, in the Vietnam War.

Tet²

noun
plural Tets
1. An ancient Egyptian symbol of the god Osiris, in form a small pillar with a number of flat sections towards the top.
  Quotations
  To develop the higher mind one must first lower himself to raise the serpent, or set up the Tet pillar of Osiris.
  1981, William Irwin Thompson, The Time Falling Bodies Take to Light: Mythology, Sexuality and the Origins of Culture, London: Rider/Hutchinson & Co., page 222