knotter

noun

knot·​ter

-ätə(r), 

-ätə-

plural -s

1

: one that makes knots: such as

a

: a worker who makes nets by hand

b

: a device that knots threads

2

: one that removes knots: such as

a

: a device used in papermaking by which lumps are removed from paper pulp

b

: limber

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