(historical) A ribbon worn in the hair in ancient Greece.
(architecture, Doric architecture) A band between the frieze and architrave in the Doric order.
2004, William Bell Dinsmoor, The Propylaia to the Athenian Acropolis, Volume 2: The Classical Building, page 165,
The height of the taenia was likewise determined with regard to the total height of the epistyle, and again, although we should not expect a proportion of less than one-twelfth of the total height (as in the Parthenon), it is reduced to one-thirteenth, executed as 0.089-0.090 m.
(anatomy) Any of several ribbon-like bands of tissue.
(biology) Any species of the genus Taenia of tapeworms.