MEASURE FOR MEASURE
'(<a href="http://www.j-archive.com/media/2008-12-19_J_30.jpg" target="_blank">Jimmy of the Clue Crew shows a long photograph of a horse race.</a>)  This horse racing term is actually an approximation of the measure of a horse from nose to tail, around 8 feet; in the photo from 1973's Belmont Stakes, you can see Secretariat won by 31 of them'
a length