1
a
: the action of one who bats
b
: the use of or ability with a bat
2
: layers or sheets of raw cotton or wool or of synthetic fibrous material used for lining quilts or for stuffing or packaging
also
: a blanket of thermal insulation (such as fiberglass)
batting
2 of 2present participle of bat entry 2, bat entry 4
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Merriam-Webster unabridged



