apertador
nounmasculine/ɐpɨɾtɐˈdoɾ/medium
a·per·ta·dor
Definition
Tool or utensil used for tightening (e.g., screws, nuts).
I need a wrench to assemble the furniture.
The nut tightener is in the toolbox.
Etymology
Derivação sufixal de apertar + -dor.