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c.1300, from Old French cerchier "to search" (12c., Modern French chercher), from Latin circare "go about, wander, traverse," in Late Latin "to wander hither and thither," from circus "circle" (see circus). Phrase search me as a verbal shrug of ignorance first recorded 1901. Search engine attested from 1988. Search and destroy as a modifier is 1966, American English, from the Vietnam War. Search and rescue is from 1944.
c.1400, "act of searching;" early 15c., "right to investigate illegal activity; examination of records, wills, etc.; a search through an area or a place," from Anglo-French serche, Old French cerche, from cerchier (see search (v.)). Search warrant attested from 1739.
(Or "Boolean query") A query using the Boolean operators, AND, OR, and NOT, and parentheses to construct a complex condition from simpler criteria. A typical example is searching for combinatons of keywords on a World-Wide Web search engine.
car or automobile
"New York" and not "New York state"
The term is sometimes stretched to include searches using other operators, e.g. "near".
Not to be confused with binary search.
See also: weighted search.