a long, narrow mark or band
Draw a straight line.
She stood in line.
They crossed the line.
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straight line
stood in line
crossed the line
mark
stripe
streak
band
To cover the inner surface of something.
She carefully lined up the books on the shelf.
Please line the objects neatly on the table.
He prefers to line the paintings symmetrically on the wall.
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draw the line
cross the line
toe the line
row
boundary
guideline