Influence or effectiveness, especially political.
A clout nail.
The center of the butt at which archers shoot; probably once a piece of white cloth or a nail head.
A home run.
A blow with the hand.
To cover with cloth, leather, or other material; to bandage, patch, or mend with a clout.
To stud with nails, as a timber, or a boot sole.
To guard with an iron plate, as an axletree.
To hit, especially with the fist.
To join or patch clumsily.
The ability or power to be effective.
[Technical documentation] An indication of the product, procedure, or timescale for which an item of information is applicable or effective.
A measure of the effectiveness of something.