Easton's Bible Dictionary: M. G. Easton, M.A., D.D.
(Old A.S. faethm, "bosom," or the outstretched arms), a span of six feet (Acts 27:28
(from orego, "I stretch"), the distance between the extremities of both arms fully stretched out.
Original from The Bible Foundation - bf.org. They claim public domain status for their original text.