A term commonly used in the computer industry to describe a computer system that lacks its own monitor and keyboard. This usually becomes an issue during crashes and other critical failures.

Head"less, a. [AS. he�xa0;fodle�xa0;s.]

1.

Having no head; beheaded; as, a headless body, neck, or carcass.

2.

Destitute of a chief or leader.

Sir W. Raleigh.

3.

Destitute of understanding or prudence; foolish; rash; obstinate.

Witless headiness in judging or headless hardiness in condemning. Spenser.

© Webster 1913.