■ ordinal number
1》 constituting number six in a sequence; 6th.
2》 ( a ~/one ~ ) each of six equal parts into which something is or may be divided.
3》 Music an interval spanning six consecutive notes in a diatonic major or minor scale, e.g. C to A ( major ~ ) or A to F ( minor ~ ).
↘the note which is higher by this interval than the tonic of a scale or root of a chord.
4》 Brit. the ~ form of a school.
Derivatives
~ly adverb