ˈwēvə(r) noun
also weever fish or weaver
( -s )
Etymology: Old North French wivre viper — more at wyvern
: any of several edible marine fishes of the family Trachinidae that have a broad spinose head with the eyes looking upward and a long dorsal fin supported by many strong sharp venomous spines that cause painful wounds: as
a. : a British weever ( Trachinus draco ) that becomes a foot long — called also greater weever
b. : a British weever ( T. vipera ) that is about half as large — called also lesser weever