More than one method to reach the same end, as in We can get around that by renting instead of buying a computer--there's more than one way to skin a cat. This expression may be an American version of the earlier British more ways of killing a cat, but why the death of a cat should be alluded to at all is not clear. [Second half of 1800s]

The American Heritage® Dictionary of Idioms by Christine Ammer. Copyright © 1997 by The Christine Ammer 1992 Trust. Published by Houghton Mifflin Company. All rights reserved.