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Definition 2024

coaming ‎(plural coamings)

(nautical) On a boat, the vertical side of above-deck structures, such as the coach roof, hatch, and cockpit.
A raised frame, designed to deflect or prevent entry of water, around an opening (e.g., a hatch or skylight) in a flat surface, such as a roof or deck.
- 1979, Cormac McCarthy, Suttree, Random House, p.92:
  Creepers threaded the wrecked windows of the coaches, ancient and chalky brown with their riveted seams and welted coamings like something proofed for descents into the sea.

on a boat, the vertical side of the hatch