coaming(redirected from Coamings)
Also found in: Dictionary, Thesaurus.
(1) A raised frame along the perimeter of an opening in the deck of a vessel (such as a cargo hatch, an entrance hatchway, or ventilating holes). On steel vessels, large hatch coamings are made in the form of rib-reinforced sheets or box sections. The height and sturdiness of coamings on the upper decks of oceangoing ships are regulated by registry rules.
(2) A door threshold on a vessel.