Aldis

noun

Al·​dis
ˈȯl-dəs
: a hand-carried signal lamp used to flash messages especially from ships and aircraft

Word History

Etymology

after Arthur C. W. Aldis †1953 British engineer and inventor

First Known Use

1944, in the meaning defined above

Time Traveler
The first known use of Aldis was in 1944

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 Aldis

Cite this Entry

“Aldis.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/Aldis. Accessed 27 Feb. 2024.

Love words? Need even more definitions?

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