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.
(..) And? We sent ravens to Houses Manderly... I don't care about ravens. You're asking me to join your army. Who is fighting in this army? The bulk of the force is made up of wildlings. Then the rumors are true. I didn't dare believe them. I received you out of respect for your father. (..)2016 TvShow: Game of Thrones Title: The Broken Man Season: 6 Episode 7