// n. 1. Any of various functional (sense 2) views of clause structure in terms of the relative centrality of the elements of a clause. A typical such analysis regards a clause as consisting of a nucleus (the verb), a core (the arguments of the verb,...

Layering is a means of plant propagation in which a portion of an aerial stem grow roots while still attached to the parent plant and then detaches as an independent plant. Layering has evolved as a common means of vegetative propagation of numerous...