From ZooTerms (Dictionary of Invertebrate Zoology)
process that forms the fulcrum for joint movement.condyle (noun; Greek kondylos, knuckle): 1. A knoblike
3. (Bryozoa: Gymnolaemata) In some cheilostomates, one of a pair of bilateral skeletal protruberances on which the operculum of an autozooid or mandible of an avicularium is hinged; in asymmetrical avicularia can be single.