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from The American Heritage® Dictionary of the English Language, 4th Edition

  • n. A structure that produces spermatia in red algae.

from The Century Dictionary and Cyclopedia

  • n. A multicellular organ which gives rise to sperms, found in the Charace├Ž and the brown alga Dictyota: formerly included under antheridium. See spermatocyst, 3.


New Latin : spermat(ium) + -angium, vessel (from Greek angeion; see angio-).
(American Heritage® Dictionary of the English Language, Fourth Edition)


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