a flat surface
Before Copernicus and modern physics, people thought that the Earth was as flat as a tesa.
by ~Smoqe~ November 27, 2002
2 more definitions
Top Definition
A results driven person with epic levels of comprehension on what matters
Did you see what Veronica did on the Impossible Inc. account? She's a real Tesa.
by Unicum April 26, 2010
Teacher Expectations and Student Achievement. A model followed by teachers to allow all students to perform and learn best in the classroom.
There are fifteen pieces to the TESA model that teachers must incorporate into each lesson they teach.
by Teach April 16, 2005

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