parallel rule

noun

variants or parallel ruler
: an instrument for drawing a line parallel to another or a series of parallel lines: such as
a
: a flat rule running on a pair of rollers in one of its sides
b
: a pair of straightedges connected by two equal parallel links so that one straightedge can be moved only parallel to the other

Love words?

You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.

Start your free trial today and get unlimited access to America's largest dictionary, with:

  • More than 250,000 words that aren't in our free dictionary
  • Expanded definitions, etymologies, and usage notes
  • Advanced search features
  • Ad free!

Dictionary Entries Near parallel rule

Cite this Entry

“Parallel rule.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/parallel%20rule. Accessed 23 Nov. 2024.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!