IPA: /ˈpɒkɪtˌfʊl/
KK: /ˈpɑkɪtˌfʊl/
The quantity of something that can fit into a pocket.
She carried a pocketful of coins to buy snacks.
Pocketful → It is formed from "pocket" (from Middle English *poket*, meaning a small bag or pouch) and "-ful" (meaning full of). The word "pocketful" means a quantity that can fill a pocket.
Think of a small bag or pouch ('pocket') that is 'full of' something ('-ful'). This helps you remember that a pocketful refers to what can fit in a pocket.