(noun) a plant fiber from the kapok tree; used for stuffing and insulation. Synonyms: silk cotton, vegetable silk.
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Noun Definition 1
(noun) massive tropical tree with deep ridges on its massive trunk and bearing large pods of seeds covered with silky floss; source of the silky kapok fiber. Synonyms: ceiba tree, silk-cotton tree, white silk-cotton tree, Bombay ceiba, God tree, Ceiba pentandra.