Open English Wordnet
Nouns
(n)parallel(mathematics) one of a set of parallel geometric figures (parallel lines or planes)“parallels never meet” Verbs
(v)parallelbe parallel to“Their roles are paralleled by ours” (v)parallel, collimatemake or place parallel to something“They paralleled the ditch to the highway” (v)twin, duplicate, parallelduplicate or match“The polished surface twinned his face and chest in reverse” Adjectives
(a)parallelbeing everywhere equidistant and not intersecting“parallel lines never converge”,
“concentric circles are parallel”,
“dancers in two parallel rows” (s)parallelof or relating to the simultaneous performance of multiple operations“parallel processing”