weaverfish \weav"erfish`\, n. see weever. zool.
   see weever.
   1913 webster
see also:
weever 

weever \wee"ver\, n. probably from f. vive, of. vivre, a kind
   of fish, l. vipera viper. cf. viper. zool.
   any one of several species of edible marine fishes belonging
   to the genus trachinus, of the family trachinidae. they
   have a broad spinose head, with the eyes looking upward. the
   long dorsal fin is supported by numerous strong, sharp spines
   which cause painful wounds.
   1913 webster
   1913 webster

   note: the two british species are the great, or greater,
         weever trachinus draco, which becomes a foot long
         called also gowdie, sea cat, stingbull, and
         weaverfish, and the lesser weever trachinus
         vipera, about half as large called also otter
         pike, and stingfish.
         1913 webster
see also:
viper trachinus trachinidae trachinus draco gowdie sea cat 
stingbull weaverfish trachinus vipera otter pike stingfish