Gearbox has 2 different meanings across 1 category:
Noun
Noun
1
the shell (metal casing) in which a train of gears is sealed
"The mechanic heard a strange grinding noise coming from inside the gearbox, indicating that something was broken within the metal casing."
2
An enclosed gear train.
"The mechanic had to replace the entire gearbox because the enclosed gear train inside was stripped by debris."
Broader Terms (hypernyms)