Entom. [mod. f. EX- pref.1 + L. articul-us joint + -ATE2. (Late L. had exarticulātus in sense ‘inarticulate.’)] Not jointed; not consisting of two parts.

1

1835.  Kirby, Hab. & Inst. Anim., II. xvi. 78. An elongated exarticulate base, representing the handle of a whip.

2