An open wood-work of cross battens and ledges forming cover for the hatchways, serving to give light and air to the lower decks. In nautical phrase, he "who can't see a hole through a grating" is excessively drunk.
Express gratings placed on a steamer's deck to place cargo upon, serving as dunnage. ...
The Sailor's Word-Book
Prepare them for punishment. ...
See coamings of the hatches ...
See head-gratings. ...