noun. a pin or bolt forming the pivot of a hinge.
1. Adjective When the injector is off, a spring-loaded rod pushes a needle valve -- aka pintle"" aria-label="Link to "pintle""> "pintle" -- down into that hole to block it. 2. Noun, singular or mass Do not allow the carburetor cleaner to run down the pintle into the electrical body of the idle air.