• Webster's Revised Unabridged Dictionary
    • a Ditokous (Zoöl) Having two kinds of young, as certain annelids.
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Century Dictionary and Cyclopedia
    • ditokous In zoology, having twins; producing two at a birth; also, laying two eggs, as the pigeon and humming-bird.
    • ditokous Producing two kinds of young, as some worms.
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Chambers's Twentieth Century Dictionary
    • adj Ditokous dit′ō-kus producing two at a birth.
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Webster's Revised Unabridged Dictionary
Gr. di- = di`s- twice + a bringing forth, offspring
Chambers's Twentieth Century Dictionary
Gr. di-, two, tiktein, to bring forth.