Lewis Short
(adjective) : ūnĭmănus, a, um, unus-manus
* Having only one hand, one-handed.
* In gen.: puer natus,Liv. 35, 21, 3; 41, 21, 12
* Unimanus, the surname of a certain Claudius. Flor. 2, 17, 16.
Charlton T. Lewis, Charles Short, A Latin Dictionary