The silver runcible spoon appears in two works by Edward Lear: The Owl & The Pussy Cat ("They dined on mince and slices of quince, which they ate with a runcible spoon") and Twenty-Six Nonsense Rhymes and Pictures ("The Dolomphious Duck, who caught Spotted Frogs for her dinner with a Runcible Spoon").
This is a large teaspoon-sized spork (i.e. with a spoon bowl and four or five fork tines) that was generally used for serving pickles and chutney.
