noun Printing.
- an ornamented type with a line of white or of a contrasting color running just inside the edge and following the contour of each letter.
adjective
- (of an internal-combustion engine) having the cylinders ranged side by side in one or more rows along the crankshaft.
adjective
- denoting a linked sequence of manufacturing processes
- denoting an internal-combustion engine having its cylinders arranged in a line
1923 of printing, 1929 of engines, 1958 of computers, by 1989 of roller skates; from in + line (n.).