n. 一车的载量, 大量

[ noun ]
the quantity that a cart holds
<noun.quantity>

cartload \cartload\, cart load \cart load\n.
as much as will fill or load a cart; the quantity that a cart
holds. In excavating and carting sand, gravel, earth, etc.,
one third of a cubic yard of the material before it is
loosened is estimated to be a cart load.