The Collaborative International Dictionary
Setbolt
Setbolt \Set"bolt`\, n. (Shipbuilding)
An iron pin, or bolt, for fitting planks closely together.
--Craig.A bolt used for forcing another bolt out of its hole.
Wiktionary
setbolt
n. 1 An iron pin, or bolt, for fitting planks closely together in shipbuilding. 2 A bolt used for forcing another bolt out of its hole.