What is the definition of TESCU?

There is no widely recognized acronym or term called "TESCU." It's possible that:

* It's a misspelling: You might be thinking of a similar acronym like "TESCO," which is a large British multinational supermarket chain.

* It's a local or niche term: TESCU might be used in a specific industry, organization, or region. To clarify, please provide more context or information about where you encountered this term.

* It's a made-up term: It's possible that "TESCU" is a fictional term or a creative invention.

Please provide more context, and I'll do my best to help you understand its meaning.