LATIN DICTIONARYLexicon Latīnum
noun · femininefirst declension

trānsenna

trānsenna f (genitive trānsennae)
Classical[trãːˈsɛn.na]Ecclesiastical[tranˈsɛn.na]

Meaning

  1. a trap or snare made of netting
  2. a net used as a container, or netting or lattice used as a screen
    illam cōpiam ōrnāmentōrum suōrum, quam cōnstructam ūnō in locō quasi per trānsennam praetereuntēs strictim aspeximusTranslation by E. W. Sutton and H. Rackham that abundance of his treasures, of which, piled together in one place, we in passing have caught just a glimpse, as through a lattice55 BCE, Cicero, De oratore 1.162

Latīnē defined in Latin in our graded readers

Declension

declension
formsingularplural
nominativetrānsennatrānsennae
genitivetrānsennaetrānsennārum
dativetrānsennaetrānsennīs
accusativetrānsennamtrānsennās
ablativetrānsennātrānsennīs
vocativetrānsennatrānsennae

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

Origins

Perhaps borrowed from Etruscan.

In the Academy Smith's classical dictionaries

Quick answers

What does trānsenna mean in Latin?
trānsenna, a noun, means “a trap or snare made of netting; a net used as a container, or netting or lattice used as a screen”.
What is the genitive of trānsenna?
The genitive singular is trānsennae. trānsenna is feminine, first declension.
How do you pronounce trānsenna?
In classical Latin, [trãːˈsɛn.na]; in ecclesiastical (church) Latin, [tranˈsɛn.na].