1. A flat blade, like a knife blade but without a sharp edge, used in pharmacy for spreading plasters and ointments and as an aid to mixing ingredients with a mortar and pestle.
The definition information for spatula is provided by Stedman's. You can search our medical dictionary here.
Stedman's, part of Lippincott Williams & Wilkins, provides a comprehensive line of health-science publications for healthcare professionals and medical students.