An ancient military engine for launching stones and arrows by means of a spring.(noun)
Wiktionary.org : Text is available under the Creative Commons Attribution-ShareAlike License
Use "springal" in a sentence
"To which provoking words, one amongst them, called Forgier, an honest fellow of his person and a notable springal, made answer very calmly thus: How long is it since you have got horns, that you are become so proud?"
"A set of javelins, five of them, from a springal, struck from their guides by a forward-springing plank, raked the interior wall of the starboard rowing frame."
"A javelin, tarred and flaming, snapped from some springal, thudded into the stem castle."