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

Derived forms: dividers

Type of: construction, drafting instrument, individual, mortal, person, somebody, someone, soul, structure, systematist, taxonomer, taxonomist

Antonym: lumper

Encyclopedia: Divider