G9210 — στρόφιγξ

1. the pivot, axle or pin on which a body turns , (Euripides) 2. στρόφιγγες were pivots working in sockets , at top and bottom of a door, which served instead of hinges, (Plutarch) 3. metaphorically, στρ. γλώττης, of a well-hung tongue, (Aristophanes Comicus) (ML)