signum

S1I1G2N1U1M3
/ˈsɪɡnəm/

noun

A sign, mark, or symbol.

Similar
signum bellsignum functionsign function
OriginLatin signum →
UncommonScrabble 9
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Meanings

nounsignum (plural signa or signums)

plural signa · plural signums

  1. A sign, mark, or symbol.
  2. historyA medieval tower bell used particularly for ringing the eight canonical hours.

    Synonyms: signum bell

  3. mathematicsA 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: signum function, sign function

Synonyms & antonyms

nounA medieval tower bell used particularly for ringing the eight canonical hours.

Similar
signum bell

nounA 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.

Similar
signum functionsign function

Origin

  1. Latinsignum
  2. Englishsignum

Learned borrowing from Latin signum. Doublet of sign.

More words from Latin

Full word history & related roots →

Rhymes & wordplay

Anagrams

musingMingus
Cite this entry
APA

signum. (n.d.). In WatkinsX Dictionary. Retrieved November 3, 2026, from https://dictionary.watkinsx.com/word/signum

MLA

“signum.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/signum. Accessed November 3, 2026.

Chicago

WatkinsX Dictionary, s.v. “signum,” accessed November 3, 2026, https://dictionary.watkinsx.com/word/signum.

Source: signum on Wiktionary, CC BY-SA 4.0.