Lewis Short
dēlībātĭo (noun F) : id.
* A taking away from, diminishing (post-class.): hereditatis,Dig. 30, 113; Tert. adv. Marc. 1, 22.
* The first fruit, sample, representative portion: quod si delibatio sancta est, et massa,Vulg. Rom. 11, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary