a point in a network or diagram at which lines or pathways intersect or branch

the intersections of two or more such arteries would clearly become major nodes of traffic and urban activity

the part of a plant stem from which one or more leaves emerge, often forming a slight swelling

the stem is cut midway between nodes

a lymph node or other structure consisting of a small mass of differentiated tissue

infection in these nodes may lead to backache

a point at which the amplitude of vibration in a standing wave system is zero