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hone

1 ENTRIES FOUND:
hone /ˈhoʊn/ verb
hones; honed; honing
hone
/ˈhoʊn/
verb
hones; honed; honing
Britannica Dictionary definition of HONE
[+ object]
: to sharpen (something, such as a knife) with a stone
: to make (something, such as a skill) better or more effective

hone in on

[phrasal verb] US
: to find and go directly toward (someone or something)
usually used figuratively
◊ Although hone in on is widely used, many people regard it as an error for home in on.