4、Enlarged and globular at the tip, as a bone of the wrist having a rounded, knoblike end.
3、A small knoblike outgrowth, as those found on the roots of many leguminous plants.
5、A small, rounded prominence or process, such as a wartlike excrescence on the roots of some leguminous plants or a knoblike process in the skin or on a bone.
2、A knoblike enlargement at the end of an axon, where it synapses with other neurons.
1、A small, knoblike pendent object, such as a plumb bob.
