Merriam-Webster Logo
SINCE 1828
Menu
dictionary thesaurus

periscii

plural noun
pe·​ris·​cii | \ pəˈrisēˌī, -ishēˌī\

Definition of periscii

: those who live within a polar circle and whose shadows during some summer days will therefore move entirely round and fall toward every point of the compass

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!

History and Etymology for periscii

New Latin, from Greek periskioi, plural of periskios throwing a shadow all around, from peri- + skia shadow

Keep scrolling for more

Learn More about periscii

Statistics for periscii

Look-up Popularity

Comments on periscii

What made you want to look up periscii? Please tell us where you read or heard it (including the quote, if possible).

Show Comments  Hide Comments 

WORD OF THE DAY

speculate

Listen to the pronounciation of speculate

to form ideas or theories about something

Get Word of the Day daily email!

Test Your Vocabulary

Farm Idioms Quiz

  • cow coming home
  • What does 'poke' refer to in the expression 'pig in a poke'?
How Strong Is Your Vocabulary?

Test your vocabulary with our 10-question quiz!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

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

Words at Play
Ask the Editors
Word Games