The sheer weight and 'bulk' of the car makes it safe to drive. [=the car is safe because it is heavy and large]
The restaurant buys rice and flour 'in bulk'. [=it buys large bags of rice and flour]
This is a problem that 'bulks large' [='looms large'] in the minds of many people.
(..) as he would draw it. Long stayed he so When at last, his head thus waving up and down, he raised a sigh so piteous and profound... ...that it did seem to shatter all his bulk and end his being. That done, he lets me go And with his head over his shoulder turned (..)2015 Hamlet