Lewis & Short

transenna (trāsenna), ae, f. (orig. perh. plaited work; hence), a noose, springe, net.

  1. I. Lit.: nunc ab transennā hic turdus lumbricum petit, Plaut. Bacch. 4, 6, 22: in transennā demissum Vietoriae simulacrum, Sall. Fragm. ap. Non. 180. 21, and ap. Macr. S. 2, 9 (Hist. 2, 23, 3); so Amm. 20, 11, 22; 25, 6, 14; cf.: transenna βρόχος ἐν ἀφετηρίαις τεταμένος, Gloss. Philox.
    1. B. A netting, lattice-work (cf.: cancelli, fenestra): quasi per transennam praetereuntes strictim aspeximus, as if through a lattice, while passing, Cic. de Or. 1, 35, 162.
  2. II. Trop., a snare, trap (Plautinian): hunc ego hominem hodie in transennam doctis ducam dolis, Plaut. Pers. 4, 3, 11; cf. id. Rud. 4, 7, 10 sq.