clavija bedeutet auf Englisch

dowel [dowels]▼(a pin fitting into holes, partly in one piece and partly in the other to keep them in their position)
noun
[UK: ˈdaʊəl] [US: ˈdaʊəl]

jack [jacks]▼(surface mounted connector)
noun
[UK: dʒæk] [US: ˈdʒæk]

peg [pegs]▼(a cylindrical object)
noun
[UK: peɡ] [US: ˈpeɡ]

tuning key▼(peg or screw to loosen or tighten strings on musical instruments)
noun