Strong's G3712 · Greek

ὀργυιά

orguia · org-wee-ah'

from 3713; a stretch of the arms, i.e. a fathom

Scholarly Lexicons

Abbott-Smith Manual Greek Lexicon

 2 * ὀργυιά , -ᾶς, ἡ ( ὀρέγω ), the length of the outstretched arms, a fathom : Ac 27:28 .† 

G. Abbott-Smith, A Manual Greek Lexicon of the New Testament (1922) — public domain