-orium, -oria, -ory

(Latin: a suffix; a place or instrument for performing the action of the main element; a place used for something)

digitorium
A small dumb keyboard used by pianists for exercising the fingers.
dormitory
1. A room providing sleeping quarters for a number of people.
2. A building for housing a number of people, as at a school or resort for sleeping and shelter.
ejaculatorium (s), ejaculatoria (pl)
The place where ejaculated sperm is kept frozen; also known as a sperm bank.

Why are men using ejaculatoria or sperm banks?

The majority of depositors are fathers who are about to have vasectomies because at present they want no more children.

Should they change their minds, their frozen sperm will be available. Other customers are men concerned about involuntary sterilization; such as, surgical patients and men who must work near radiation-producing equipment.

    There are still other categories:
  • Anonymous donors whose sperm will be used for artificially inseminating women who cannot otherwise become pregnant.
  • Would-be fathers whose semen will be consolidated in an attempt to raise their sperm count to a level high enough to cause pregnancy.
  • There are also a few simple eccentrics—like the Midwestern grandfather who has stored his seed against the possibility that his only son might prove infertile and thus not carry on the family line.
—Excerpts from "Frozen Assets" [Electronic version]. (1972, Jan. 3).
Time magazine. Retrieved May 22, 2006, from
http://www.time.com/time/archive/preview/0,10987,879035,00.html
ejaculatory
1. Casting or throwing out; specifically, in physiology, related to, or concerned in, ejaculation; as, an ejaculatory prayer or petition.
2. Abrupt, impulsive.
emporium (s) (noun), emporiums (pl)
exsection
Another term for excision or the surgical removal of something; such as, skin tissue, etc.
fumatorium (s) (noun), fumatoria (pl)
An air-tight compartment in which vapor may be generated to destroy germs or insects; especially, the apparatus used to destroy fungus scale on nursery stock, with hydrocyanic acid vapor.
incubatorium
inscribable
Capable of being written or engraved; such as signs, words, names, etc.
inscriber
Someone who marks the surface of something with engraved or written characters; especially, in a durable or conspicuous way.
laboratory, lab
1. A workplace for the conduct of scientific research or where research and testing is carried out.
2. A room or place with appropriate equipment for teaching science or doing scientific work.
3. A place where drugs and chemicals are manufactured, examined, and tested.
4. A place equipped for performing experimental work or investigative procedures, for the preparation of drugs, chemicals, etc.
5. A region (geographic, etc.) resembling a laboratory inasmuch as it offers opportunities for observation, practice, and experimentation.
6. Any place, situation, set of conditions, or the like, conducive to experimentation, investigation, observation, etc.; anything suggestive of a scientific laboratory.
7. Etymology: Although "laboratory" looks very much like the Latin laboratorium, "a place to labor, a work place"; the word "laboratory" came from the extended Latin elaborare, "to work out", as a problem, and "with great pains"; as evidenced by the Old English spelling "elaboratory"; designating "a place where learned effort was applied to the solution of scientific problems".
—Based on information from
MedicineNet.com.

It should be noted that such an etymological perspective could not be found in any other dictionary. In fact, other sources state the following similar information: from 1605, "a building set apart for scientific experiments", from Middle Latin laboratorium, "a place for labor or work"; from Latin laboratus, past participle form of laborare, "to work". The shortened form lab was first attested in 1895.

lachrymatory
1. A "tear-bottle;" a narrow-necked vessel found in sepulchers of the ancient Romans; so called from a former notion that the tears of the deceased person's friends were collected in it.
2. Pertaining to, or causing the shedding of tears.

A lachrymatory agent or lachrymator is a chemical compound that irritates the eyes to cause tears, pain, and even temporary blindness.

Tear gas and pepper spray are lachrymatory agents that are also used as riot control elements and chemical warfare agents.

Certain lachrymatory agents are often used by the police to assist in controlling offenders, most notably "tear gas" and "mace".

lacrimatory
1. A "tear-bottle;" a narrow-necked vessel found in sepulchers of the ancient Romans; so called from a former notion that the tears of the deceased person's friends were collected in it.
2. Pertaining to, or causing the production and shedding of tears.
lactory
lavatorium, lavitorium (s) (noun); lavatoriums, lavitoriums (pl)
A place for washing.