DIVIDER

Definition

1. noun a taxonomist who classifies organisms into many groups on the basis of relatively minor characteristics. — synonyms: splitter
2. noun a person who separates something into parts or groups.
3. noun a vertical structure that divides or separates (as a wall divides one room from another). — synonyms: partition
4. noun a drafting instrument resembling a compass that is used for dividing lines into equal segments or for transferring measurements.