Lewis & Short

artĭcŭlāris, e, adj. [articulus].

  1. I. Pertaining to the joints (v. articulus, I.): morbus, gout, Plin. 20, 17, 73, § 195; Suet. Galb. 21; Scrib. Comp. 101.
  2. II. In gram., like the article (v. articulus, II. A. fin.): pronomen, i. e. hic, iste, Prisc. p. 938 P.; 574 P.; Serv. p. 1785 P.