Z, z

[zee or, esp. British, zed; Archaic iz-erd]
noun, plural Z's or Zs, z's or zs.
  1. the 26th letter of the English alphabet, a consonant.
  2. any spoken sound represented by the letter Z or z, as in zero, zigzag, or buzzer.
  3. something having the shape of a Z.
  4. a written or printed representation of the letter Z or z.
  5. a device, as a printer's type, for reproducing the letter Z or z.


  1. zeptosecond.
Also called zs


or Z's

noun (used with a plural verb) Slang.
  1. sleep (often used with grab, catch, etc.): to grab some z's before dinner.

Origin of z's

First recorded in 1960–65; from the conventional use of a series of z's to represent snoring


[zep-tuh-sek-uh nd]
  1. one sextillionth (10-21) of a second. Abbreviation: zsec, zs
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for zs

Historical Examples of zs