Alderfly

2 definitions found

From The Collaborative International Dictionary of English v.0.48 [gcide]:

  alderfly \al"der*fly`\, Alder fly \Al"der fly\
     1. Any of numerous dark-colored neuropterous insects of the
        genus {Sialis} or allied genera. They have predaceous
        aquatic larv[ae], which are used for bait.
        [Webster 1913 Suppl.]
  


     2. (Angling) An artificial fly with brown mottled wings, body
        of peacock harl, and black legs.
        [Webster 1913 Suppl.]

From WordNet (r) 2.0 [wn]:

  alderfly
       n : dark-colored insect having predaceous aquatic larvae [syn: {alder
           fly}, {Sialis lutaria}]