twi I. noun ortshialsotchi\ˈchwē, ˈtwē, ˈchē\ (-s) Usage: usually capitalized 1.: a dialect of Akan spoken by the Akwapim people 2.: a literary language based on the Twi dialect and used by the Akim, Akwapim, Ashanti, and other Akan-speaking peoples II. abbreviation twilight