D defs.my
Entry 1 sense Webster, 1913

Exarticulate

· Ex·ar·tic·u·late · IPA /ˌɛksɑː(ɹ)ˈtɪkjʊlət/
01 a. Having but one joint; -- said of certain insects.
  1. 1.
    Having but one joint; -- said of certain insects.(Zoöl.)