Noun(1) one of a series of rounded projections (or the notches between them, as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.
Noun(1) one of a series of rounded projections (or the notches between them, as the edge of a leaf or piece of cloth or the margin of a shell or a shriveled red blood cell observed in a hypertonic solution etc.