phase line


: a line (as a terrain feature extending across the zone of action) used to control and coordinate a military advance or withdrawal
the regimental commander may prescribe any phase linesInfantry Journal
reach a phase line one mile inland by 1600 hoursIrwin Shaw
abbreviation PL

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 phase line

Cite this Entry

“Phase line.” Dictionary, Merriam-Webster, Accessed 11 Dec. 2023.

Love words? Need even more definitions?

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