Cowl

·noun A wire cap for the smokestack of a locomotive.

II. Cowl ·noun A vessel carried on a pole between two persons, for conveyance of water.

III. Cowl ·noun A monk's hood;

— usually attached to the gown. The name was also applied to the hood and garment together.

IV. Cowl ·noun A cowl-shaped cap, commonly turning with the wind, used to improve the draft of a chimney, ventilating shaft, ·etc.