ˈ ̷ ̷ ̷ ̷ˌ ̷ ̷ ̷ ̷ noun
or parrot feather
( plural parrot's-feathers or parrot feathers )
: water milfoil ; especially : a New World plant ( Myriophyllum brasiliense ) that has trailing stems, feathery pinnately dissected leaves, and minute flowers borne in the leaf axils, and that is often cultivated as an aquarium plant