Also chako, and more usually SHAKO, q.v. [a. Magyar csákó; in Ger. tschako, Fr. schako (Littré).] A military cap of cloth and leather, formerly worn by the infantry in the British army, having the form of a truncated cone with a peak in front.
1826. Soldier’s Album, 11. Snatching up my chaco, I flew to the street.
1840. Times, 1 Sept., 6/2. The cumbersome bearskin cap … is to be discontinued, and replaced by a smart chaco.
1851. Ord. & Regul. R. Engineers, § 24. 119. The Scales of the Chaco are to be worn under the chin on all Parades and Duties under Arms.
1866. Army & Navy G., 29 Sept. The chaco is reported as quite unsuited to the climate and hot sun.
