Entry 3 senses Webster, 1913 Paisano /(pä`ē̇*sä"nō̇)/ · Pa·i·sa·no · IPA /paɪˈzɑ.noʊ/ 01 n. The chaparral cock; the roadrunner. 1. The chaparral cock; the roadrunner.(Zool.) 2. A compatriot. 3. A comrade; a pal; a buddy.