Headless

Headless may refer to:

Medicine

 * Acephalic acardia, a type of twin reversed arterial perfusion in which one twin is born without a head
 * Acrania, missing cranial bones
 * Anencephaly, absence of a major part of the brain and skull
 * Decapitation, the severing of the whole head from the body

Computing
In computing and software, headless can either refer to software or servers without a graphical interface, or software platforms that decouple front- and back-end components.
 * Headless computer, a server with no monitor, keyboard, or mouse attached
 * Headless software, software capable of working on a device without a graphical user interface
 * Headless browser, a web browser without a graphical user interface
 * Headless CMS, a backend-only content management system that employs APIs to display content

Linguistics

 * Headless phrase, a term in linguistics for a phrase with no head

Geology

 * Headless Formation, a geologic formation in Northwest Territories

Arts and entertainment

 * Headless (TV series) a British television series starring Patrick Robinson and Ginny Holder
 * Headless, a foe in Ultima
 * Headless, NPCs in The Matrix Online
 * Headless (film), a 2015 horror film by Arthur Cullipher
 * Headless (band), an Italian hard rock band
 * Mike the Headless Chicken (non-fiction), a Wyandotte chicken that lived for 18 months after his head had been cut off
 * "Headless", a song by Joe Satriani from his album Flying in a Blue Dream
 * "Headless", a song by Hella from the album Tripper

Literature and myths

 * Headless line, a form of catalexis omitting an initial syllable
 * Headless men, a mythical headless humanoid creature
 * Headless Horseman (disambiguation)


 * Headless Horseman