The Collaborative International Dictionary of English v.0.48:
chino \chi"no\ (ch[=e]"n[=o]), n. a coarse, tough, twilled cotton fabric used for uniforms or sports clothes. [WordNet 1.5]WordNet (r) 3.0 (2006):
chino n 1: trousers made with chino cloth 2: a coarse twilled cotton fabric frequently used for uniforms