twin

From Wiktionary

Pronunciation[change]

Noun[change]

Singular
twin

Plural
twins

Twin girls
  1. Twins are two people who were born at the same time from the same mother.
    I didn't know he was your twin: he looks just like you so I thought he was you!
  2. When two things are the same, they are twin things.
    We have twin beds in our room.

Synonyms[change]