Cowl (koul), n. [AS�x3e; cuhle, cugle, cugele; cf. dial. G. kogel, gugel, OF. coule, goule; all fr. LL. cuculla, cucullus, fr. L. cucullus cap, hood; perh. akin to celare to conceal, cella cell. Cf. Cucullate.]
1.
A monk's hood; -- usually attached to the gown. The nname was also applied to the hood and garment together.
What differ more, you cry, than crown and cowl?
Pope.
2.
A cowl-shaped cap, commonly turning with the wind, used to improve the draft of a chimney, ventilatingshaft, etc.
3.
A wire cap for the smokestack of a locomotive.
© Webster 1913.
Cowl, n. [Cf. OF. cuvele, cuvel, dim. of F. cuve tub, vat, fr. L. cupa. See Cup.]
A vessel carried on a pole between two persons, for conveyance of water.
Johnson.
© Webster 1913.