crossbeam; rower's seat
Latin word, found 42 times in the texts on Socratos.
Caesar, De Bello Gallico 3.13.4: transtra ex pedalibus in altitudinem trabibus, confixa clavis ferreis digiti pollicis crassitudine;
Vergil, Aeneid 3.289: Linquere tum portus iubeo et considere transtris:
Lucan, Civil War 8.671: Collaque in obliquo ponit languentia transtro.
All forms of transtrum