JMdict entry #1465660

1. noun (common) (futsuumeishi) nest (of boxes); nesting
2. noun (common) (futsuumeishi) concealed information
3. noun (common) (futsuumeishi) computing nested structure
   see: ネスティング・2
4. noun (common) (futsuumeishi) dated term adopting a child after one's own has died; child adopted by a parent of a deceased child
5. noun (common) (futsuumeishi) cavity in an oar (fitted onto a peg as part of a traditional oarlock)
   see: 櫓杭