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Webster 1913 Edition
Gavelock
Gav′e-lock
,Noun.
 [OE. 
gaveloc 
a dart, AS. gafeluc
; cf. Icel. gaflok
, MHG. gabil[GREEK]t
, OF. gavelot
, glavelot
, F. javelot
, Ir. gabhla 
spear, W. gaflach 
fork, dart, E. glave
, gaff
] 1. 
A spear or dart. 
[R. & Obs.] 
2. 
An iron crow or lever. 
[Scot. & North of Eng.] 
Webster 1828 Edition
Gavelock
GAV'ELOCK
,Noun.