(nautical) The iron framework round the deck opening that leads to the stokehole of a steamer; usually covered by a grating of iron bars; the space below this.
Examples
Monday night was another night of the fiddley diddley, where Sammy ensured he picked up a title with the sleazy shirt award.
Fol-de-rol and fiddle dee dee and fiddley faddley foddle. All the wishes in the world are poppycock and twaddle.
