Word.ws English Dictionary

signum

/ˈsɪɡnəm/

signum noun: a sign, mark, or symbol.

Noun

signum (plural signa or signums)

  1. A sign, mark, or symbol.
  2. A medieval tower bell used particularly for ringing the eight canonical hours.
    Synonyms:
    signum bell
  3. A function that extracts the sign of a real number x, yielding −1 if x is negative, +1 if x is positive, or 0 if x is zero.

Synonyms of signum

Forms of signum

pluralsigna
pluralsignums

Plural of signum: signa or signums

Origin of signum

Learned borrowing from Latin signum. Doublet of sign.

Phrases with signum

Questions about signum

What does signum mean?
Signum means a sign, mark, or symbol.
What part of speech is signum?
Signum is a noun.
How do you pronounce signum?
Signum is pronounced /ˈsɪɡnəm/.
What is the plural of signum?
The plural of signum is signa.

Words near signum in the dictionary

  1. signs onto
  2. signs out
  3. signs over
  4. signs up
  5. signs-manual
  6. signum
  7. signum function
  8. signum functions
  9. signum manus
  10. signums
  11. signup

Source and license

Adapted from Wiktionary: signum (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

Last updated:

Cite this entry: “signum.” Word.ws, https://word.ws/signum. Based on Wiktionary, CC BY-SA 4.0.