-um +
(Greek > Latin: a suffix that forms singular nouns)
Here are just a few of the hundreds of words that end with -um.
abandum
Anything forfeited or confiscated.
acropodium
The entire upper surface of the foot.
addendum (uh DEN dum) (singular)
Something that has been added in a written document; added section, supplement, attachment: "The report has an addendum clarifying certain points."
album
1. In Roman Antiquity, a tablet on which the praetor's edicts and other public notices were recorded for public information; afterwards extended to other lists.
2. A blank book in which to insert autographs, memorial verses, original drawings, or other souvenirs.
3. A book at public places in which visitors enter their names.
According to Samuel Johnson in his A Dictionary of the English Language, an album is a book in which foreigners have long been accustomed to inserting the autographs of celebrated people.
allodium
Freehold estate; land which is the absolute property of the owner; real estate held in absolute independence, without being subject to any rent, service, or acknowledgment to a superior.
aluminium
This spelling is used widely throughout the world, and was used in the United States before 1927 where the preferred spelling is now: aluminum.
antrum
1. A cavity or hollow within a bone.
2. A normal dilatation within certain hollow organs; such as, the pyloric end of the stomach.
3. A general term for cavity or chamber which may have specific meaning in reference to certain organs or sites in the body.
The antrum of the stomach (gastric antrum) is a portion before the outlet which is lined by mucosa which does not produce acid. The paranasal sinuses can be referred to as the frontal antrum, ethmoid antrum, and maxillary antrum.
aquarium (s), aquaria (pl)
1. A water-filled transparent container, often box-shaped, in which fish and other water animals and plants are kept.
2. A tank, bowl, or other water-filled enclosure in which living fish or other aquatic animals and plants are kept.
3. A building in which fish and other water animals are kept and shown to the public.
4. A place for the public exhibition of live aquatic animals and plants.
An aquarium is also known as a vivarium, and is usually contained in a clear-sided container (typically constructed of glass or high-strength plastic) in which water-dwelling plants and animals (usually fish, and sometimes invertebrates, as well as amphibians, marine mammals, and reptiles) are kept in captivity, often for public display; or it is an establishment featuring such displays.
A wide variety of aquaria are now kept by hobbyists, ranging from a simple bowl housing a single fish to complex ecosystems with carefully engineered support systems. Aquaria are usually classified as containing fresh or salt water, at tropical or cold water temperatures.
arachnidium
1. The glandular organ in which the material for the web of spiders is secreted.
2. The spinning apparatus of a spider, including spinning glands and spinnerets.
arboretum (s), arboreta (pl)
1. A place where an extensive variety of woody plants are cultivated for scientific, educational, and ornamental purposes.
2. A laboratory for developing new varieties of trees and shrubs of special beauty, or faster growth, or resistance to pests and diseases; and to experiment with trees from foreign lands to discover their uses and adaptability to local climates.
3. A living museum where people can see and learn about trees and a place of beauty during every season.
An arboretum is a place for the cultivation, study, and enjoyment of trees; while a nursery is a place for raising trees to use elsewhere in landscaping and forestry.
argentum, ag.
Silver.
argentosus (masculine), argentosa (feminine), argentosum (neuter): "full of silver, rich in silver".
asylum
1. Protection and immunity from extradition granted by a government to somebody who has fled another country, e.g. because of political oppression.
2. A shelter and protection from danger, or imminent harm, provided by a sheltered place.
3. Currently an offensive term for an institution for people with psychiatric disorders or for mentally incompetent or unbalanced people.
4. A place that once offered shelter to criminals and debtors; especially, a church1.
5. A shelter from danger or hardship.
atrium (s), atria (pl)
1. A court; the central hall or court of a Roman house.
2. A covered court or portico in front of the principal doors of churches, etc.
3. In a modern house, a central hall or glassed-in court that may be used as a sitting-room, having rooms opening off it, sometimes at more than one level.
4. In a public building, usually a skylit central court rising through several stories and surrounded by galleries at each level with rooms (shops, offices, etc.) opening off them.
5. In physiology, either of the two upper cavities (left and right atrium) of the heart into which the veins pour the blood.
6. In zoology, a large cavity into which the intestine opens.
7. In medicine, a chamber or cavity to which are connected several chambers or passageways.
auditorium (s), auditoria (pl)
1. The part of a theater designed to accommodate an audience.
2. A large room to accommodate an audience in a building; such as, a school or theater.
3. A large building for public meetings or performances.
4. Etymology: from Latin
auditorium, "lecture room"; literally, "a place where something is heard"; neuter of
auditorius, "of" or "for hearing"; from
auditor, "a listener"; from
audire, "to hear".
The auditorium can also describe an entire theater, and has been in use as a word since the 18th century, although there were other words with the same meaning before that.
bucranium
1. In Roman times, an ox skull that was carved in relief and was part of the decoration of a building.
2. A sculptured ornament, representing an ox skull adorned with wreaths, etc.