cubit

a measure of length equal to distance from the joint of the elbow to the tip of the middle finger (i.e. about 18 inches, (.5 m) but its precise length
varied and is disputed)
derivation: of uncertain affinity
http://bible.crosswalk.com/Lexicons/Greek/grk.cgi?number=4083&version=kjv

A link to each occurrence of this word in the homepage:
1] cubit