trochili \troch"ili\, n. pl. nl. see trochilus. zool.
   a division of birds comprising the humming birds.
   1913 webster
see also:
trochilus 

trochilus \troch"ilus\, n.; pl. trochili. l. trochilus a
   kind of small bird. gr. ?, fr. ? to run.
   1. zool.
      a a genus of humming birds. it formerly included all the
          known species.
      b any one of several species of wrens and kinglets.
          obs.
      c the crocodile bird.
          1913 webster

   2. arch. an annular molding whose section is concave, like
      the edge of a pulley; -- called also scotia.
      1913 webster
see also:
trochili scotia