Definition: A border; edge; brink; verge; as, the margin of a river or
lake.
Definition: Specifically: The part of a page at the edge left uncovered
in writing or printing.
Definition: The difference between the cost and the selling price of an
article.
Definition: Something allowed, or reserved, for that which can not be
foreseen or known with certainty.
Definition: Collateral security deposited with a broker to secure him
from loss on contracts entered into by him on behalf of his principial,
as in the speculative buying and selling of stocks, wheat, etc.
Definition: To furnish with a margin.
Definition: To enter in the margin of a page.