on the edge of

Also found in: Idioms.
See: contiguous
References in classic literature ?
We tracked our seal to his secret place, We heard him scratch below, We made our mark, and we watched beside, Out on the edge of the floe.
And we played him thus, and we killed him thus, Out on the edge of the floe.
But now, drawing back to the edge of the table, gradually lower your eye (thus bringing yourself more and more into the condition of the inhabitants of Flatland), and you will find the penny becoming more and more oval to your view, and at last when you have placed your eye exactly on the edge of the table (so that you are, as it were, actually a Flatlander) the penny will then have ceased to appear oval at all, and will have become, so far as you can see, a straight line.