Lewis Short
(verb) : per-dŏmo, ŭi, ĭtum, āre
* To tame or subdue thoroughly, to subjugate completely, to conquer, vanquish, overcome, etc. (Aug.; syn. subigo): ad perdomandum Latium exercitum circumducere,Liv. 8, 13: Hispaniam,id. 28, 12: Apulia perdomita,id. 9, 20: gentes,Vell. 2, 95, 2: regionem,Just. 2, 3, 15: urbes,Luc. 2, 644: serpentes, tauros feroces,to tame, subdue,Ov. H. 12, 163; id. M. 1, 447: boves,Col. 6, 2.
* Transf., to work thoroughly, to knead: farinam assiduā tractatione,Sen. Ep. 90, 23; cf.: perdomitam saxo Cererem, prepared, i. e. ground, Stat. Th. 1, 524.
* Trop.: ut nono demum sulco (solum) perdometur,Plin. Ep. 5, 6, 10.
Charlton T. Lewis, Charles Short, A Latin Dictionary