IPA: /ˈʃɛlər/
KK: /ˈʃɛlər/
A person or machine that removes the outer covering from something, such as seeds or shells, or someone who collects seashells.
The sheller quickly removed the shells from the corn, making it ready for cooking.
Sheller → The word 'sheller' is formed from 'shell' (from Old English *scealu*, meaning a hard outer covering) and '-er' (meaning a person who). A sheller is a person who removes the shell from something, typically nuts or shellfish.
Think of someone who removes the 'hard outer covering' ('shell') of something — that's what a sheller does.