1. A large optical disk used for storing and playing back video, audio, or computer data, popular in the 1980s and 1990s before DVDs became standard.
Usage: Also spelled LaserDisc (trademark); largely obsolete technology; Primarily used for home video entertainment and educational materials

Examples

• My parents still have a collection of laserdisks from the 1990s.
• The movie studio released the film on laserdisk before it came out on DVD.
• Laserdisks offered better picture quality than VHS tapes at the time.
• He bought a laserdisk player at a garage sale for just five dollars.
• The library used laserdisks to archive historical documentaries.