The folkloric belief that King Sebastian of Portugal (1554–1578) will return from the dead to lead the Portuguese or Brazilian people as a messiah.

plural of sebecosuchian

(zoology) Any of the Sebecosuchia, an extinct group of mesoeucrocodylian crocodyliforms.

(mycology) Belonging to the Sebacinaceae.

plural of Sebesta

A surname.

One of 75 counties in Arkansas, United States. County seats: Greenwood and Fort Smith.

(historical) A person holding a senior court title in the late Byzantine Empire and nearby states, generally restricted to members of the imperial family.

plural of sebastokrator

(organic chemistry) The amide of sebacic acid