Search Result for "alderfly": 
Wordnet 3.0

NOUN (1)

1. dark-colored insect having predaceous aquatic larvae;
[syn: alderfly, alder fly, Sialis lutaria]


The Collaborative International Dictionary of English v.0.48:

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.]
WordNet (r) 3.0 (2006):

alderfly n 1: dark-colored insect having predaceous aquatic larvae [syn: alderfly, alder fly, Sialis lutaria]