• IPA: /hæl/

1. A diminutive of the male given names Henry, Harold and Harry.
   • c. 1597, William Shakespeare, “The First Part of Henry the Fourth, […]”, in Mr. William Shakespeares Comedies, Histories, & Tragedies: Published According to the True Originall Copies (First Folio), London: Printed by Isaac Iaggard, and Ed[ward] Blount, published 1623, OCLC 606515358 ↗, [Act II, (please specify the scene number in lowercase Roman numerals)]:

     : Scene 2:

     I prithee, good Prince Hal, help me to my horse, good king's son.

Hal (plural Hals)

1. (software) Acronym of hardware abstraction layer

Hal (plural Hals)

1. (fiction, computing) A homicidal computer, an artificial intelligence that acts similarly to the HAL 9000 featured in 2001: A Space Odyssey.