n. A person who studies, professes or practices genealogy.
the GNU version of the Collaborative International Dictionary of English
n. One who traces genealogies or the descent of persons or families.
The Century Dictionary and Cyclopedia
n. One who traces genealogies; a student of or writer upon genealogy.
WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
n. an expert in genealogy
Word Usage
"With scientists debating whether the Donner Party resorted to cannibalism while crossing the Sierra Nevada in 1846, one genealogist is sure of the answer."