Lewis & Short

sub-necto, nexui, xum, ĕre, v. a., to bind or tie under, bind on beneath (poet. and in post-Aug. prose; syn. subligo).

  1. I. Lit.: antennis velum, Ov. M. 11, 483: cingula mammae, Verg. A. 1, 492: tenui de vimine circlos Cervici, id. G. 3, 167: subnectit fibula vestem, id. A. 4, 139: fragmentum clavi collo, Plin. 28, 4, 11, § 46: specieque comam subnexus utrāque, wreathed, garlanded, Stat. S. 5, 3, 113 et saep.
  2. II. Trop., to add, subjoin in speaking: ut inventioni judicium subnecterent, Quint. 3, 3, 5 Spald.: deinde proxima subnectens, id. 7, 10, 7: subnectit et hanc fabulam, Just. 43, 4, 4; so, dedecus, Val. Max. 2, 6, 15: callide subnectit, confictas a se epistulas esse, Just. 14, 1, 11.