Meaning & Definition of Dual in English

1. Consisting of or involving two parts or components usually in pairs

• "An egg with a double yolk"

• "A double (binary) star"

• "Double doors"

• "Dual controls for pilot and copilot"

• "Duple (or double) time consists of two (or a multiple of two) beats to a measure"

2. Having more than one decidedly dissimilar aspects or qualities

• "A double (or dual) role for an actor"

• "The office of a clergyman is twofold

• Public preaching and private influence"- r.w.emerson

• "Every episode has its double and treble meaning"-frederick harrison

3. A grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural)

• "Ancient greek had the dual form but it has merged with the plural form in modern greek"