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gearhead

1 ENTRIES FOUND:
gearhead /ˈgiɚˌhɛd/ noun
plural gearheads
gearhead
/ˈgiɚˌhɛd/
noun
plural gearheads
Britannica Dictionary definition of GEARHEAD
[count] US, informal
: a person who is very interested in mechanical or technical things (such as cars or computers)