Mär'gin1, n.
n. [O. Eng. margine, margent, and marge, Fr. & Pr. marge, Sp. margen, Pg. margem, It. margine, Lat. margo, marginis. Cf. MARCHES.]
- A border; edge; brink; verge; a marge; as, the margin of a river or lake.
- Specifically, the part of a page at the edge left uncovered in writing or printing; an uncovered bordering space.
- (Com.) The difference between the price of purchase and sale of an article, which leaves room for profit.
- Hence, the difference between the outlay, expense, number, or amount of any thing as estimated or previously calculated, and that which is actually required, incurred, or ascertained; as, to leave a margin for incidental and unforeseen expenses.
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. Syn.—Border; brink; verge; brim; rim.