-dərə(r) noun
( -s )
: one that wanders: as
a. capitalized : a Scottish Covenanter during the time of persecution
b.
(1) : a brown and black American butterfly ( Feniseca tarquinius ) of the family Lycaenidae whose larva feeds on woolly aphids of the genus Schizoneura especially on the alder blight ; also : a monarch or other butterfly of the genus Danaus
(2) : wandering spider