parallel
noun
something having the property of being analogous to something else
an imaginary line around the Earth parallel to the equator
(mathematics) one of a set of parallel geometric figures (parallel lines or planes)
“parallels never meet”
verb
be parallel to
“Their roles are paralleled by ours”
make or place parallel to something
“They paralleled the ditch to the highway”
Synonymscollimateduplicate or match
“The polished surface twinned his face and chest in reverse”
adjective
being everywhere equidistant and not intersecting
“parallel lines never converge”
“concentric circles are parallel”
of or relating to the simultaneous performance of multiple operations
“parallel processing”
Source: WordNet 3.1, Princeton University