(~s, ~ning, ~ned)
Frequency: The word is one of the 3000 most common words in English.
1.
If two people are ~s, they have the same mother and were born on the same day.
Sarah was looking after the ~s...
She had a ~ brother and a younger brother.
N-COUNT: oft N n
2.
Twin is used to describe a pair of things that look the same and are close together.
...the ~ spires of the cathedral.
...the world’s largest ~-engined aircraft.
ADJ: ADJ n
3.
Twin is used to describe two things or ideas that are similar or connected in some way.
...the ~ concepts of liberty and equality...
ADJ: ADJ n
4.
When a place or organization in one country is ~ned with a place or organization in another country, a special relationship is formally established between them. (BRIT)
Five Polish banks are to be ~ned with counterparts in Western Europe...
The borough is ~ned with Kasel in Germany.
VERB: usu passive, be V-ed with n, V-ed
5.
Twin towns or cities are ~ned with each other. (BRIT; in AM, use sister cities )
This led Zagreb’s ~ town, Mainz, to donate ?70,000-worth of high-quality equipment.
ADJ: ADJ n
6.
see also identical ~ , Siamese ~