si
/siː/
Proposed by a contributor, not yet supported by evidence.
Also seen as: sis
Meaning · English
A syllable used in solfège to represent the seventh note of a major scale.
Noun
Sources & notes
Adapted from English Wiktionary (CC BY-SA 4.0, retrieved 2026-08-01 via kaikki.org).
Common questions
What does “si” mean?
A syllable used in solfège to represent the seventh note of a major scale.
Is “si” formal or informal?
No register label has been reviewed yet — treat it as neutral and check the usage notes above.