Bird's nest

n.
  1. The nest in which a bird lays eggs and hatches her young.
  2. (Cookery) The nest of a small swallow (Collocalia nidifica and several allied species), of China and the neighboring countries, which is mixed with soups.
  3. (Bot.) An orchideous plant with matted roots, of the genus Neottia (Neottia nidus-avis).
    4. Bird's-nest pudding ,
    a pudding containing apples whose cores have been replaced by sugar.
    Yellow bird's nest ,
    a plant, the Monotropa hypopitys.