betamax

Short definition from Wiktionary

Noun

1. 1
   a Betamax (videocassette tape)
2. 2
   coagulated chicken blood that is boiled, cut in to cubes, skewered and grilled to be sold as a street food

Proper noun

1. 1
   A home videocassette recording format developed by Sony in 1975, now known for having lost the format war to VHS.

Verb

1. 1
   To make (something) obsolete.