kapok

from WordNet (r) 3.0 (2006)

kapok
    n 1: a plant fiber from the kapok tree; used for stuffing and
         insulation [syn: {kapok}, {silk cotton}, {vegetable silk}]
    2: 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 [syn: {kapok}, {ceiba tree},
       {silk-cotton tree}, {white silk-cotton tree}, {Bombay ceiba},
       {God tree}, {Ceiba pentandra}]

from The Collaborative International Dictionary of English v.0.48

Kapok \Ka*pok"\, n. [Prob. fr. the native name.] (Bot.)
   A silky wool derived from the seeds of {Ceiba pentandra}
   (syn. {Eriodendron anfractuosum}), a bombaceous tree of the
   East and West Indies.
   [Webster 1913 Suppl.]

from Moby Thesaurus II by Grady Ward, 1.0

29 Moby Thesaurus words for "kapok":
      blubber, breeze, butter, clay, cushion, dough, down, eiderdown,
      feather bed, feathers, fleece, floss, flue, fluff, foam, pillow,
      plush, pudding, puff, putty, rubber, satin, silk, swansdown,
      thistledown, velvet, wax, wool, zephyr

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