Pronunciation: ( jē"nē-ol'u-jē, -al'-, jen"ē-),[key] —n., —pl.-gies. 1. a record or account of the ancestry and descent of a person, family, group, etc.
2. the study of family ancestries and histories.
3. descent from an original form or progenitor; lineage; ancestry.
4. Biol.a group of individuals or species having a common ancestry: The various species of Darwin's finches form a closely knit genealogy.