Margin \Mar"gin\, n. [OE. margine, margent, L. margo, ginis. Cf.
March a border, Marge.]
1. A border; edge; brink; verge; as, the margin of a river or
lake.
2. Specifically: The part of a page at the edge left
uncovered in writing or printing.
3. (Com.) The difference between the cost and the selling
price of an article.
4. Something allowed, or reserved, for that which can not be
foreseen or known with certainty.
5. (Brokerage) 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. --N. Biddle.
Margin draft (Masonry), a smooth cut margin on the face of
hammer-dressed ashlar, adjacent to the joints.
Margin of a course (Arch.), that part of a course, as of
slates or shingles, which is not covered by the course
immediately above it. See 2d Gauge.
Syn: Border; brink; verge; brim; rim.
Source: Webster's Revised Unabridged Dictionary (1913)
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