Noun river prawn has 2 senses
  1. river prawn - large Australian prawn
    --1 is a kind of
    prawn, shrimp
    --1 is a part of long-clawed prawn, river prawn, Palaemon australis
  2. long-clawed prawn, river prawn, Palaemon australis - large (a foot or more) edible freshwater prawn common in Australian rivers
    --2 is a kind of prawn
    --2 is a member of Palaemon, genus Palaemon
    --2 has parts: river prawn
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