any small marine percoid fish of the family Trachinidae, such as Trachinus vipera of European waters, having venomous spines around the gills and the dorsal fin
WordReference Random House Unabridged Dictionary of American English © 2026
wee•ver
(wē′vər),USA pronunciation n.
- Fisheither of two small, European, marine fishes of the genus Trachinus, T. draco (greater weever) or T. vipera (lesser weever,) having highly poisonous dorsal spines.
- Fishany fish of the same family, Trachinidae.
- 1615–25; perh. continuing Middle English *wever, Old English wifer arrow (cognate with Old Norse vifr sword); modern meaning by association with obsolete wiver viper; see wyvern
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'weever' also found in these entries (note: many are not synonyms or translations):