accessory
1. [ noun ] (clothing) clothing that is worn or carried, but not part of your main clothing
Synonyms: accouterment accoutrement
Related terms: clothing belt furnishings
2. [ noun ] a supplementary component that improves capability
Synonyms: supplement add-on appurtenance
Related terms: component cut-in auto_accessory fitting fixings computer_accessory append
3. [ adjective ] relating to something that is added but is not essential
Synonyms: ancillary adjuvant appurtenant auxiliary subsidiary adjunct
Examples:

"an ancillary pump" "an adjuvant discipline to forms of mysticism" "The mind and emotions are auxilliary to each other"

Related terms: supportive
4. [ noun ] (law,criminal law) someone who helps another person commit a crime
Synonyms: accomplice accessary
Related terms: criminal confederate accessory_after_the_fact accessory_before_the_fact accessory_during_the_fact abettor
Similar spelling:   accessary
  accessorial
  access_road