the GNU version of the Collaborative International Dictionary of English
n. One who conducts research. In the field of scientific research, also called an investigator or scientist.
The Century Dictionary and Cyclopedia
n. One who makes researches; one who is engaged in research.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. a scientist who devotes himself to doing research
Word Usage
"Mary Wood, 42, was frantic for work when she applied to the bureau after getting divorced and losing her job as a title researcher in the oil and gas industry in the same week."