affusion Meaning, Definition & Usage

  1. noun the act of baptizing someone by pouring water on their head

WordNet

Af*fu"sion noun
Etymology
Cf. F. affusion.
Definitions
  1. The act of pouring upon, or sprinkling with a liquid, as water upon a child in baptism.
  2. Specifically: (Med) The act of pouring water or other fluid on the whole or a part of the body, as a remedy in disease. Dunglison.

Webster 1913