colter
/ˈkɒltər/Definitions
1. noun
A tool used to remove the cob or chaff from an ear of corn, especially one consisting of two or more knives attached to a rotating shaft.
“The farmer used a colter to remove the chaff from the harvested corn.”
2. noun
A man’s name, of English origin.
“John Colter, an American trapper and explorer, was born in 1810.”