a large amount of something that has no particular shape or arrangement
The explosion reduced the church to a mass of rubble.
The forest is a mass of colour in autumn.
A mass of people gathered in the town square for the cultural festival.
The concert attracted a mass of music enthusiasts eager to enjoy the live performance.
The scientist studied the gravitational pull of a celestial body on its surrounding mass.
The avalanche created a mass of snow and debris cascading down the mountain.
The cargo ship carried a colossal mass of goods across the ocean.
