often attributive
1
: the soft wavy or curly usually thick undercoat of various hairy mammals and especially the sheep made up of a matrix of keratin fibers and covered with minute scales
2
: a product of wool
especially
: a woven fabric or garment of such fabric
3
a
: a dense felted pubescence especially on a plant : tomentum
b
: a filamentous mass
—usually used in combination
compare mineral wool, steel wool
Cite this Entry
“Wool.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/wool. Accessed 14 Aug. 2026.
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