
• (n.) A spear or dart. • (n.) An iron crow or lever.
Found on
http://thinkexist.com/dictionary/meaning/gavelock/
Gav'e·lock noun [ Middle English
gaveloc a dart, Anglo-Saxon
gafeluc ; confer Icelandic
gaflok , Middle High German
gabil...t , Old French
gavelot ,
glavelot , French
javelot , Ir.
gabhla spear, W.
gaflach fork, dart, English
glave...Found on
http://www.encyclo.co.uk/webster/G/14

Gavlock or Gablock: A crowbar, a lever.
Found on
http://www2.shu.ac.uk/sfca/glossary.cfm
No exact match found.