Fathom

Easton's Bible Dictionary (1897)

(Old A.S. faethm, “bosom,” or the outstretched arms), a span of six feet (Acts 27:28). Gr. orguia (from orego, “I stretch”), the distance between the extremities of both arms fully stretched out.

Smith's Bible Dictionary (1863)

[Weights And Measures AND Measures]

Public domain dictionaries.