prolonged from H517; properly, a mother (i.e. unit of measure, or the fore-arm (below the elbow), i.e. a cubit; also a door-base (as a bond of the entrance):--cubit, + hundred (by exchange for H3967), measure, post.
cubit - a measure of distance (the forearm), roughly 18 in (.
plus others. See a Bible Dictionary for a complete treatment.
