barbules defined in 1951 yearbarbules - barbules;
barbules - Of feathers. Minute filaments in a row at each side of a barb. Those of one side bear hooks, those of the other a groove. Barbules of adjacent barbs hook together and link barbs into a firm vane. Down-feathers and ostrich feathers have no interlocking mechanism, so their barbs are free.
near barbules in Knolik
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