n A group of a number of similar things, either growing together, or in a cluster or clump. Usually fastened together.
n (geology) (mining) An unusual concentration of ore in a lode or a small, discontinuous occurrence or patch of ore in the wallrock.
n (textiles) The reserve yarn on the filling bobbin to allow continuous weaving between the time of indication from the midget feeler until a new bobbin is put in the shuttle.