Meanings
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1
adj
covered with, bearing, or consisting of feathers or plumes
The bird's plumose crest spread into a soft orange fan.
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2
adj
resembling a feather because fine hairs or branches are arranged along a central axis
Male mosquitoes have plumose antennae that help them detect the wingbeats of females.
Thesaurus
Etymology
From Latin plumosus, 'feathered,' based on pluma, 'a feather or down.' Naturalists extended the literal sense to antennae, setae, plant parts, and other structures whose fine branches are arranged like the barbs of a feather.