![](https://upload.wikimedia.org/wikipedia/commons/thumb/9/92/VIEW_OF_WHEELHOUSE_FROM_STARBOARD_SIDE_OF_HATCH_COAMING_-_Bugeye_%22Louise_Travers%22%2C_Intersection_of_Routes_2_and_4%2C_Solomons%2C_Calvert_County%2C_MD_HAER_MD%2C5-SOLOM%2C1-16.tif/lossy-page1-220px-thumbnail.tif.jpg)
Coaming is any vertical surface on a ship designed to deflect or prevent entry of water. It usually consists of a raised section of deck plating around an opening, such as a cargo hatch. Coamings also provide a frame onto which to fit a hatch cover.
The protective metal sheeting or plating protecting against water entry into ventilation shafts in large ships is called a coaming as it fulfills the same water-deflection purpose.
The term was borrowed by the aviation industry to refer to a low rim around the opening for an unenclosed cockpit.
The origin of the term is unknown.[1]
Coaming also refers to the raised structure around the cockpit of a kayak.
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