a thin long mark on a surface; to attach an inside layer of material to (a bag, box, drawer etc or to clothing)
mark, stroke; border
Cases of word usage
1) (to cause things, people) to be arranged in a straight line (align)
2) (an) arrangement in a straight line (alignment)
3) close to (and in line with) the side of (alongside)
4) a part of the edge of a circle or other curved line (arc)
5) an imaginary line around which a turning object spins (axis)
6) an imaginary line between areas, countries, surfaces etc (boundary)
7) a pause in the rhythmic pattern of a line of verse because of meaning or punctuation (caesura)
8) a flexible line of connected metal rings or links, used for connecting, fastening, holding etc (chain)
9) a straight line that joins two points on the circumference of a circle or the ends of an arc (chord)
10) a line that marks out a circle or other curved figure (circumference)