society > travel > travel by water > vessel, ship, or boat > parts of vessels > other parts of body of vessel > [noun] > opening in deck > cover of (4)
Nautical. A trapdoor or grated framework covering an opening on a deck (cf. sense 5c).
A scoring or ruling of a surface. Obsolete.
a protecting covering over a carriage, an opening, etc. (see sense 5).
a cover or door for a hatch, esp. on a ship.