Both Uses

massive
in
The Short Happy Life of Francis Macomber
(Auto-generated)

The three of them walked over to where the second buffalo bulked blackly in the open, head forward on the grass, the massive horns swung wide.†
*

massive = very large
Good work," and he turned to grip Macomber's hand and as they shook hands, grinning at each other, the gun-bearer shouted wildly and they saw him coming out of the bush sideways, fast as a crab, and the bull coming, nose out, mouth tight closed, blood dripping, massive head straight out, coming in a charge, his little pig eyes bloodshot as he looked at them.†

Definitions:

(1) (massive)
very large in size, number, or effect
(2) (meaning too rare to warrant focus)
In geology, massive can refer to a type of rock rather than the size of a rock.