n.
A classification system for gauging sexual orientation, designed by Alfred Kinsey, and ranging from 0 (exclusively heterosexual) to 6 (exclusively homosexual).
[After Alfred Charles KINSEY.]
The American Heritage® Dictionary of the English Language, Fourth Edition Copyright © 2007, 2000 by Houghton Mifflin Company. Updated in 2009. Published by Houghton Mifflin Company. All rights reserved.