head margin

(redirected from Head Margins)
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head margin

[′hed ‚mär·jən]
(graphic arts)
The unprinted space left above the first line of printing on a page.
References in periodicals archive ?
The French rider, who has been racing in Doha regularly since starting in the 2005-06 season, pulled off three of his wins by head or short head margins to wrap his thrilling day on the grassy tracks in New Al Rayyan.
Head tubercles surpassing the head margins by at least one third of their lengths (Figs.