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† pseudŏthyrum, i, n.,  =  ψευδόθυρον. 
- I.  Lit., a backdoor, private entrance, postern-gate: palatii, Amm. 14, 1, 3; Oros. 7, 6 fin.
- II.  Trop., a secret manner: (nummi) per pseudothyrum revertantur, Cic. Verr. 2, 2, 20, § 50: non janua receptis, sed pseudothyro intromissis voluptatibus, id. Red. in Sen. 6, 14.