There is:

• Eclipse (astronomy) — the general article
• Lunar eclipse
• Solar eclipse
• Eclipse is an open-source Java IDE (Integrated Development Environment) and platform for rich client applications. It was originally created by IBM but development is now managed by the Eclipse Foundation, a non-profit consortium of industry vendors.
• ECLiPSe is a constraint logic programming system, a Prolog-based environment for solving constraint satisfaction problems
• Phoenix Eclipse — a basketball team
• Eclipse chewing gum, sold by Wrigley's
• "Eclipse" is a song on Pink Floyd's album Dark Side of the Moon
• The Eclipse is the name of sporty coupe and convertible produced and marketed by Mitsubishi Motors
• Eclipse, a song written by Cirque du Soleil in their album, Nouvelle Experience
• Eclipse was a famous racehorse from the 18th century.
• Eclipse cigarettes is a brand that produces less smoke and ashes by mostly heating tobacco rather than burning it
• The Eclipse is an extremely large starship in the Star Wars universe.