E. Cobham Brewer 18101897. Dictionary of Phrase and Fable. 1898.
A place for keeping lard or bacon. This shows that swine were the chief animals salted and preserved in olden times. (Latin, lardum, lard.)
The Douglas Larder. The English garrison and all its provisions in Douglas castle massed together by good Lord James Douglas, in 1307.
He caused all the barrels containing flour, meat, wheat, and malt to be knocked in pieces, and their contents mixed on the floor; then he staved the great hogsheads of wine and ale, and mixed the liquor with the stores; and last of all, he killed the prisoners, and flung the dead bodies among this disgusting heap, which his men called, in derision of the English, The Douglas Larder.Sir Walter Scott: Tales of a Grandfather, ix.
Wallaces Larder is very similar. It consisted of the dead bodies of the garrison of Ardrossan, in Ayrshire, cast into the dungeon keep. The castle was surprised by Wallace in the reign of Edward I.