geniculate
From ZooTerms (Dictionary of Invertebrate Zoology)
geniculate (noun; Latin diminutive genu, knee): 1. Bent; elbowed; bent in an obtuse angle.
2. (Arthropoda) The antenna of arthropods, i.e., insects and crustaceans.
3. (Arthropoda: Chelicerata) The base of the chelicerae in some spiders.
