A mythical figure who has appeared in folklore around the world since the Middle Ages, who is traditionally depicted as a man upon horseback who is missing his head.

(Internet) A web browser without a graphical user interface.

(April 20, 1945March 17, 1947) a male Wyandotte chicken that lived for 18 months after he was beheaded, surviving because most of his brain stem remained intact and it did not bleed to death due to a blood clot.

A headless content management system, or headless CMS, is a back end-only web content management system that acts primarily as a content repository.

Various species of mythical headless men were rumoured, in antiquity and later, to inhabit remote parts of the world.

an e-commerce architecture where the front-end (head) is decoupled from the back-end commerce functionality and can thus be updated or edited without interfering with the back-end, similar to a headless content management system.