host

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Host

[Lat.,=sacrificial victim], in Roman Catholic practice, consecrated wafer of the EucharistEucharist
[Gr.,=thanksgiving], Christian sacrament that repeats the action of Jesus at his last supper with his disciples, when he gave them bread, saying, "This is my body," and wine, saying, "This is my blood." (Mat. 26; Mark 14; Luke 22; 1 Cor. 11.
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. The bread used is pure white and unleavened, baked in small disks. The Hosts not consumed at MassMass,
religious service of the Roman Catholic Church, which has as its central act the performance of the sacrament of the Eucharist. It is based on the ancient Latin liturgy of the city of Rome, now used in most, but not all, Roman Catholic churches. The term Mass [Lat.
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 are set aside especially for the viaticum, for the sick, and for adoration, as at benedictionbenediction
[Lat.,=blessing], solemn blessing usually administered in the name of God by a priest or a minister. The temple worship at Jerusalem had fixed forms of benedictions, and Christians have always given them an important place in ceremony, especially at the end of a
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.
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host

[hōst]
(biology)
An organism on or in which a parasite lives.
The dominant partner of a symbiotic or commensal pair.
(chemistry)
A crystalline lattice or receptor molecule for the strong and selective binding of a cationic, anionic, or neutral organic, inorganic, or biological substance (guest) by means of electrostatic, hydrogen-bonding, van der Waals, or donor-acceptor interactions. Examples include clathrates, crown ethers, cryptands, cyclodextrins, calixarenes, cavitands, cyclophanes, and cryptophanes. Also known as host structure, host substance.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.

host

1. Biology
a. an animal or plant that nourishes and supports a parasite
b. an animal, esp an embryo, into which tissue is experimentally grafted
2. Computing a computer connected to a network and providing facilities to other computers and their users
3. the owner or manager of an inn

Host

Christian Church the bread consecrated in the Eucharist
Collins Discovery Encyclopedia, 1st edition © HarperCollins Publishers 2005

host

(networking)
A computer connected to a network.

The term node includes devices such as routers and printers which would not normally be called "hosts".

host

(communications)
A computer to which one connects using a terminal emulator.
This article is provided by FOLDOC - Free Online Dictionary of Computing (foldoc.org)

host

(1) A source of information or signals. The term can refer to a computer, smartphone, tablet or any electronic device. In a network, clients (users' machines) and servers are hosts because they are both sources of information in contrast to network devices, such as routers and switches, which only direct traffic. See host adapter and hostname.

(2) To have in one's possession. When you "host a computer system," the system is running in your facility. Although sounding inane, it is technically accurate to say "our company hosts many hosts!"

(3) The person in control of a videoconference (a video meeting). The host sets up the meeting and invites participants. During the meeting, the host can invite more people as well as disinvite anyone who is causing a disruption.
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References in periodicals archive ?
The role of wildlife, especially carnivores, in the epidemiology of bluetongue deserves further study to elucidate their role as either dead-end hosts or new sources of infection for livestock and to help determine the risks for wildlife populations.
From 2002 through 2005, influenza virus (H5N1) has also been sporadically isolated from dead wild birds in Hong Kong Special Administrative Region, People's Republic of China; however, these birds were considered dead-end hosts of viruses acquired from poultry (3,4).
If these viruses cause severe disease in hooded vultures, these ubiquitous scavenging birds may simply be dead-end hosts. As they scavenge on many dead species, they may also function as conspicuous sentinels in Africa, similar to the role of raptors or swans in Europe or cats in Indonesia (8).
In South America, isolated reports of infected dead-end hosts (horses) have come from northern Colombia and Argentina, but they lack evidence for infection in avian amplifying hosts (4,5).
Although WNV can infect a wide range of vertebrates, mammals are assumed to be dead-end hosts (7).
Terms such as multihost pathogens, dead-end hosts, reservoir hosts, host shifts, and spillovers are frequently used, but often different phrases are used to describe the same phenomenon, and possibly more concerning, the same terminology may be used to describe strictly different phenomena.