• Webster's Revised Unabridged Dictionary
    • n Piscina (Arch) A niche near the altar in a church, containing a small basin for rinsing altar vessels.
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Century Dictionary and Cyclopedia
    • n piscina A basin or tank, usually ornamental, as for a fountain or a bath; sometimes, a large shallow vase for ornamental fishes or aquatic plants; also, any tank or cistern of moderate size.
    • n piscina Eccles., a stone basin, in old churches generally established within a canopied niche placed close to the altar, used to receive the water in which the priest washes his hands before the celebration of the eucharist, and washes the chalice after the celebration. Now rarely used in the sanctuary, but often in sacristies.
    • ***
Chambers's Twentieth Century Dictionary
    • n Piscina pis-ī′na a basin or tank, esp. one for holding fishes or for growing water-plants: a fish-pond:
    • n Piscina pis-ī′na (archit.) a basin or sink on the south side of the altar in old churches, into which is emptied water used in washing any of the sacred vessels
    • ***


Webster's Revised Unabridged Dictionary
L., a certain, fishpond, fr. piscis, a fish
Chambers's Twentieth Century Dictionary
L., a fish-pond, a cistern—piscis, a fish.


In literature:

The chapel is a small building that has retained its piscina and two niches for holding figures.
"Exeter" by Sidney Heath
Within this great recess there is, on the spectator's right, a small one, with side shafts, containing a piscina.
"Bell's Cathedrals: The Cathedral Church of Rochester" by G. H. Palmer
If this piscina is original, it is a very fine specimen for so early a date.
"Bell's Cathedrals: The Cathedral Church of Ripon" by Cecil Walter Charles Hallett
There are two or three piscinas in different parts of the church, and a sedilla near the altar.
"Notes and Queries, Number 196, July 30, 1853" by Various
In the chancel is a piscina of Early English date, together with a sedilia of the same period.
"Our Homeland Churches and How to Study Them" by Sidney Heath
THE NORTH-EAST TRANSEPT is the chapel of St. John Baptist, and contains a Decorated piscina.
"Bell's Cathedrals: The Cathedral Church of Wells" by Percy Dearmer
The sedilia and piscina are very fine.
"Encyclopaedia Britannica, 11th Edition, Volume 8, Slice 6" by Various
Mr. Hawker tells how the old piscina was found and reinstated.
"Nooks and Corners of Cornwall" by C. A. Dawson Scott
She cradled her son in the piscina and lived on charity.
"Encyclopaedia Britannica, 11th Edition, Volume 9, Slice 3" by Various
She sat up in the piscina, stepped out of the water, and walked to the door.
"Ancient Manners" by Pierre Louys
The chapel had a piscina in the southern wall; the main hall was remarkable for its mighty chimney.
"A West Country Pilgrimage" by Eden Phillpots
Just against the entrance to this staircase, in the wall of the aisle, is an ancient piscina.
"Bell's Cathedrals: The Cathedral Church of Lichfield" by A. B. Clifton
Here are three piscinas for holy water.
"Curiousities of Great Britain: England and Wales Delineated Vol. 1" by Thomas Dugdale
At the extreme south-east of the building the remains of the ancient sedilia and piscina may still be seen.
"Ecclesiastical Curiosities" by Various
The number of these piscinas cannot fail to strike one as something very singular.
"Mellifont Abbey, Co. Louth" by Anonymous
It is regrettable to find the piscina on a level with the floor, beneath a pew seat!
"Nooks and Corners of Old England" by Allan Fea
A small piscina, and the recumbent figure of some unknown ecclesiastic under an arched recess, adorn this nutshell of a church.
"Nooks and Corners of Pembrokeshire" by H. Thornhill Timmins
A tall, richly carved and traceried roodscreen, divides nave from chancel, which has a plain sedilia and piscina.
"Nooks and Corners of Shropshire" by H. Thornhill Timmins
The sedilia and piscina recall times antecedent to the Reformation.
"Lancashire" by Leo H. (Leo Hartley) Grindon
Near this piscina is the entrance to the building called the house of Tiberius or Germanicus.
"Old Rome" by Robert Burn

In science:

For non-commutative noise the best order of convergence is attained (R¨umelin, 1982) with the Heun scheme (5.83) but also with the simpler Euler algorithm (5.86) or with the scheme of Ram´ırez-Piscina, Sancho and Hern´andezMachado (1993).
On the Statics and Dynamics of Magneto-Anisotropic Nanoparticles
Ram´ırez-Piscina, L., Sancho, J. M. and Hern´andez-Machado, A. (1993), Phys.
On the Statics and Dynamics of Magneto-Anisotropic Nanoparticles