Definition of coulterianum
"coulterianum" is probably misspelled. Trying coulter instead Definition of coulter
1. Coulter [ n ] Last name, frequency rank in the U.S. is 1586
Synonyms Coulter2. coulter [ n ] a sharp steel wedge that precedes the plow and cuts vertically through the soil
Synonyms coulter colter Related Terms wedge moldboard_plow