وُصْلَة (جمعه: وُصَل): مَا يَصِلُ بَيْنَ شَيْئَيْن إلخ joint; tie, link; connection; contact; elbow; coupling, union, connecting piece; coupler

وُصْلَةُ ازْدِوَاج coupling

وُصْلَةُ تَنَاكُب، وُصْلَةٌ تَنَاكُبِيّة butt joint