The Collaborative International Dictionary of English v.0.48:

Trichogyne \Trich"o*gyne\, n. [F., fr. Gr. tri`x, tricho`s, hair
   + ? woman, female.] (Bot.)
   The slender, hairlike cell which receives the fertilizing
   particles, or antherozoids, in red seaweeds. --
   Trich`o*gyn"ic, a.
   [1913 Webster]