/ fʌz; NAmE / noun
1.
[ U ] short soft fine hair or fur that covers sth, especially a person's face or arms
SYN down
2.
[ sing. ] a mass of hair in tight curls :
a fuzz of blonde hair
3.
the fuzz [ sing.+ sing./pl. v . ] ( old-fashioned , slang ) the police
4.
something that you cannot see clearly
SYN blur :
I saw it as a dim fuzz through the binoculars.
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WORD ORIGIN
senses 1 to 2 and sense 4 late 16th cent.: probably of Low German or Dutch origin; compare with Dutch voos , Low German fussig spongy.
sense 3 1920s (originally US): of unknown origin.