This is the 17734th most frequent Russian word.
узел
"Uzel" - knot, node, or hub.
Here, 'узел' means 'knot', referring to something tied on a rope.
Он развязал узел на верёвке.
He untied the knot on the rope.
Here, 'узел' means 'node', as used in a scientific or mathematical context.
Этот узел в математике представляет соединение нескольких линий.
This node in mathematics represents the connection of several lines.
Here, 'узел' means 'hub', referring to a central location in transportation.