be side by side with (something extending in a line), always keeping the same distance; run or lie parallel to

a big concrete gutter that paralleled the road

be similar or corresponding to

the increase in the quality of wines has paralleled the rise of interest in food

a person or thing that is similar or analogous to another

a challenge which has no parallel in peacetime this century

each of the imaginary parallel circles of constant latitude on the earth's surface

two parallel lines (‖) as a reference mark