This tier keeps data neutral and independent from application servers or business logic.
Application servers are software engines that deliver applications to client computers.
British Dictionary definitions for servers
server
/ˈsɜːvə/
noun
1.
a person who serves
2.
(mainly RC Church) a person who acts as acolyte or assists the priest at Mass
3.
something that is used in serving food and drink
4.
the player who serves in racket games
5.
(computing) a computer or program that supplies data or resources to other machines on a network
Word Origin and History for servers
server
n.
late 14c., agent noun from serve (v.). Computer sense by 1992.
servers in Science
server
(sûr'vər) A computer that manages centralized data storage or network communications resources. A server provides and organizes access to these resources for other computers linked to it.
servers in Culture
server definition
Computer or software that performs administration or coordination functions within a network.
Slang definitions & phrases for servers
server
noun
: As many as 10 ''servers,'' slang for dealers, worked out of the Keefe house(1990s+ Narcotics)