the act of circumscribing or something that circumscribes (constrict range of activity, draw a line or boundary around)
a manuscript or piece of writing material on which the original writing has been effaced to make room for later writing but of which traces remain
term derived from heraldry; means "placed into abyss"
from the very beginning; from the egg
arranged (scales, sepals, plates, etc.) so that they overlap like roof tiles