The Collaborative International Dictionary
Langrel
Langrage \Lan"grage\, Langrel \Lan"grel\, n. A kind of shot formerly used at sea for tearing sails and rigging. It consisted of bolts, nails, and other pieces of iron fastened together or inclosed in a canister.
Wiktionary
langrel
n. (context military naval obsolete or historical English) langrage (scraps of metal used to fire at an enemy).