- Jay, John Jay - United States diplomat and jurist who negotiated peace treaties with Britain and served as the first chief justice of the United States Supreme Court (1745-1829)
--1 is a kind of diplomat, diplomatist; jurist, legal expert
- jay - crested largely blue bird
--2 is a kind of corvine bird
--2 is a member of Garrulinae, subfamily Garrulinae
--2 has particulars:Old World jay; New World jay; Canada jay, gray jay, camp robber, whisker jack, Perisoreus canadensis