IPA: /ˈsætʃəlfəl/
KK: /ˈsætʃəlfəl/
The amount that can be carried in a satchel, which is a type of bag or backpack.
He packed a satchelful of books for his trip to the library.
Satchelful → It is formed from "satchel" (from Old French *sacel*, meaning a small bag) and "-ful" (meaning full of). The word "satchelful" means full of satchels or bags.
Think of a small bag ('satchel') that is 'full' ('-ful') — that's why satchelful means full of bags.