from The American Heritage® Dictionary of the English Language, 5th Edition.

  • noun A pouring on of liquid, as in baptism.

from The Century Dictionary.

  • noun The act of pouring upon; the act of pouring water or other liquid, as upon a child in baptism.
  • noun In medicine, the act of pouring water on the body as a curative means, as from a vessel, by a shower-bath, etc.

from the GNU version of the Collaborative International Dictionary of English.

  • noun (Med) The act of pouring upon, or sprinkling with a liquid, as water upon a child in baptism.

from Wiktionary, Creative Commons Attribution/Share-Alike License.

  • noun The pouring of liquid.
  • noun A method of Christian baptism where water is poured on the head of the person being baptized.

from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.

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


from The American Heritage® Dictionary of the English Language, 4th Edition

[Late Latin affūsiō, affūsiōn-, from Latin affūsus, past participle of affundere, to pour on : ad-, ad- + fundere, to pour; see gheu- in Indo-European roots.]

from Wiktionary, Creative Commons Attribution/Share-Alike License

Latin affusio.


  • Oikonomos, however, responds that '' affusion '' (i.e. pouring), and much less '' aspersion '' (i.e. sprinkling), cannot ever be considered baptism.


  • It is better that no friction should be applied, but if so, a hot soap (smegma) must be used in greater abundance than is common, and an affusion of a considerable quantity of water is to be made at the same time and afterwards repeated.

    On Regimen In Acute Diseases

  • And at each time the bandages are taken off, much hot water is to be used, for in all injuries at joints the affusion of hot water in large quantity is to be had recourse to.

    On Fractures

  • We employ bandages, compresses, suspension of the limb in a sling, attitude, extension, friction, rectification; and along with these the affusion of much water.

    On The Surgery

  • Swellings and pains in the joints, ulceration, those of a gouty nature, and sprains, are generally improved by a copious affusion of cold water, which reduces the swelling, and removes the pain; for a moderate degree of numbness removes pain.


  • The limit to the affusion is, to stop when the parts become swelled up, and before the swelling subsides; for the parts swell up at first, and fall afterward.

    On The Surgery

  • After the fever restless, and had some delirium; urine thin, and darkish; had an affusion of warm water on the head; slept and recovered his senses.

    Of The Epidemics

  • We relax first the part most requiring it, and have recourse to that kind of friction which will promote the growth of flesh, and to affusion.

    On The Surgery

  • Hydrophilos, having girded his sable cappa magna as high as to his cherubical loins, at solemn compline sat in his sate of wis-dom, that handbathtub, whereverafter, recreated doctor insularis of the universal church, keeper of the door of meditation, memory extempore proposing and intellect formally considering, recluse, he meditated continuously with seraphic ardour the primal sacra-ment of baptism or the regeneration of all man by affusion of water.

    Finnegans Wake

  • Here traces of fire, seen on the rock, suggested that it had been split by cold affusion.

    The Land of Midian


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