[θəːd], (Numeral)

Definitions:
- constituting number three in a sequence; 3rd
(e.g: the third century)

- each of three equal parts into which something is or may be divided
(e.g: a third of a mile)

- an interval spanning three consecutive notes in a diatonic scale, e.g. C to E (major third, equal to two tones) or A to C (minor third, equal to a tone and a semitone)


Phrases:
- third time is the charm
- third time lucky

Origin:
Old English thridda, of Germanic origin; related to Dutch derde and German dritte, also to three. The spelling thrid was dominant until the 16th century (but thirdda is recorded in Northumbrian dialect as early as the 10th century)