noun a chimney cap; a cowl.
2. cow ·noun the mature female of bovine animals.
3. cow ·noun the female of certain large mammals, as whales, seals, ·etc.
4. cow ·noun a wedge, or brake, to check the motion of a machine or car; a chock.
5. cow ·vt to depress with fear; to daunt the spirits or courage of; to overawe.