seventh

number

• constituting number seven in a sequence; 7th:his seventh goal of the season the seventh of June he was the seventh of eight children
• (a seventh/one seventh) each of seven equal parts into which something is or may be divided.
• the seventh finisher or position in a race or competition:he finished seventh in the tournament
• seventhly (used to introduce a seventh point or reason).
• Music an interval spanning seven consecutive notes in a diatonic scale.
• Music the note which is higher by a seventh than the tonic of a diatonic scale or root of a chord.
• Music a chord in which the seventh note of the scale forms an important component.