Smyth, W. H.; Belcher, E. (1867). Skegg. The sailor's word-book: An alphabetical digest of nautical terms, including some more especially military and scientific ... as well as archaisms of early voyagers, etc. London: Blackie and Son. m/s.638.
"A small fin fitted aft of the keel to protect the rudder and propeller, and improve steering and tracking." MacKenzie, Mike (2005–2012). "Skeg". Seatalk, the Dictionary of English Nautical Language. Dicapai pada February 14, 2014.