1. Of or relating to both sexes.
2. 1. Having both male and female reproductive organs; hermaphroditic.
   2. Botany. Denoting a single flower that contains functional staminate and pistillate structures; perfect.
3. Of, relating to, or having a sexual orientation to persons of either sex.

1. A bisexual organism; a hermaphrodite.
2. A bisexual person.

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.