D defs.my
Entry 1 sense Webster, 1913

cartload

· IPA /ˈkɑɹt.loʊd/
01 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 cu…
  1. 1.
    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.