Gavelock
Gavelock , noun
[Old English gaveloc a dart, Anglo-Saxon gafeluc; compare Icelandic gaflok, Middle High German gabil{not transcribed}t, Old French gavelot, glavelot, French javelot, Ir. gabhla spear, Welsh gaflach fork, dart, English glave, gaff]
1.
A spear or dart. [Rare & Obsolete]
2.
An iron crow or lever. [Scottish & North of English]