Noun pica pica has 1 sense
  1. spurge nettle, tread-softly, devil nettle, pica-pica, Cnidoscolus urens, Jatropha urens, Jatropha stimulosus - a stinging herb of tropical America
    --1 is a kind of magpie; herb, herbaceous plant
    --1 is a member of Cnidoscolus, genus Cnidoscolus
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