Webster’s Revised Unabridged Dictionary · 1913
Coamings
Coam′ings (kōm′ĭngz), n. pl. [Cf. Comb a crest.] (Naut.) Raised pieces of wood of iron around a hatchway, skylight, or other opening in the deck, to prevent water from running bellow; esp. the fore-and-aft pieces of a hatchway frame as distinguished from the transverse head ledges. [Written also combings.]