- spermatodactyl
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n. [Gr. sperma, seed; dactylos, finger](ARTHROPODA: Chelicerata)In Acari, modification of the chelicera in order for sperm transfer from the male\'s gonopore to the female copulatory receptacles.
Online Dictionary of Invertebrate Zoology. A.R. Maggenti and S.L. Gardne. 2005.