dual
definition: a grammatical number category referring to two items or units as opposed to one item (singular) or more than two items (plural)
example: ancient Greek had the dual form but it has merged with the plural form in modern Greek
speech part: adjective
synonyms:
definition: consisting of or involving two parts or components usually in pairs
example:
speech part: adjective
synonyms:
double
definition: having more than one decidedly dissimilar aspects or qualities
example: a double (or dual) role for an actor
speech part: adjective
synonyms:
double