THE FULL ARTICLE — from the International Standard Bible Encyclopedia

The International Standard Bible Encyclopedia (1915), general editor James Orr — public domain, printed whole.

es'-ti-mat, es-ti-ma'-shun (`arakh, `erekh):

These words, meaning "to set in order," "valuation," are used in connection with the priestly services in Le 5:15,18; 6:6; 27:14, and frequently; Nu 18:16.