from The American Heritage® Dictionary of the English Language, 4th Edition
- n. A silky fiber, such as kapok, attached to the seeds of certain trees.
from the GNU version of the Collaborative International Dictionary of English
- n. a cottony substance enveloping the seeds of the silk-cotton tree.
from The Century Dictionary and Cyclopedia
- n. See cotton.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- n. a plant fiber from the kapok tree; used for stuffing and insulation
Sorry, no etymologies found.
Then there are the silk cotton tree, the logwood and thousands of others.