[In form a. L. complexus (see COMPLEX sb.); but in sense treated as a compound of L. com- together + plexus plaiting.] An interwoven structure; an involved or complicated system; a complex, ‘tissue.’ (Cf. PLEXUS.)
1871. Fraser, Life Berkeley, x. 414. The web of necessary thought—the complexus of Reason.
1876. Bartholow, Mat. Med. (1879), 63. The complexus of morbid actions, called fever.
1884. Bower & Scott, De Bary’s Phaner., 345. A many-layered complexus of tissue, which is to be regarded as the phloem.
