pilot cloth meaning in Hindi

According to the Origins of Navy Terminology, the coat was once tailored from pilot cloth _ a heavy, coarse-twilled fabric.
At home, he dressed as often as not in " pilot cloth " _ a heavy, dark blue woolen material used for naval officers'overcoats.
A mill was erected in 1822 for the manufacture of woollen cloths, blankets, plaidings, flannels, and plain and pilot cloths, for the dyeing and dressing of which the soft water of the Tarff was well adapted.

noun.