Lewis Short
(adjective) : ūnĭ-jŭgus, a, um, unus-jugum.
* Having one yoke: vinea, fastened to a single yoke or cross-beam.
* Lit., Plin. 17, 22. 35, § 183.—*
* Transf., that has been married only once: Joseph,Tert. Monog. 6 fin.
Charlton T. Lewis, Charles Short, A Latin Dictionary