Definition of skeg
1 : the stern of the keel of a ship near the sternpost; especially : the part connecting the keel with the bottom of the rudderpost in a single-screw ship
2 : a fin situated on the rear bottom of a surfboard that is used for steering and stability
Origin and Etymology of skeg
Middle English skegge, from Old Norse skegg cutwater, literally, beard — more at shag
First Known Use: 13th century
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