trisexual

Meanings

Adjective

• Having, or pertaining to a system which involves, three sexes.
• Of a person, willing to "try anything" sexually.

Noun

• An organism (that is, a species) which has three sexes.
• One who is trisexual.

Origin

• tri- + sexual
• try + sexual, respelled as if using tri- and as if analogous to bisexual.