I. ˈ ̷ ̷ˌbōlt noun
Etymology: Middle English doggebolde, perhaps from dogge dog + bolde bold — more at dog , bold
archaic : wretched fellow : mean contemptible person
II. noun
Etymology: dog (I) + bolt
1. : a long slim bolt for uniting two parts at right angles or for securing girders to a supporting post by being driven through one piece then bent and driven into the other
2. : a bolt used to hold the work in machining
III. transitive verb
: to secure with a dogbolt