twin ( twins plural & 3rd person present) ( twinning present participle) ( twinned past tense & past participle )
1 n-count If two people are twins, they have the same mother and were born on the same day.
oft N n
Sarah was looking after the twins..., She had a twin brother and a younger brother.
2 adj Twin is used to describe a pair of things that look the same and are close together.
...the twin spires of the cathedral., ...the world's largest twin-engined aircraft.
3 adj Twin is used to describe two things or ideas that are similar or connected in some way.
...the twin concepts of liberty and equality...
4 verb When a place or organization in one country is twinnedwith a place or organization in another country, a special relationship is formally established between them.
(BRIT) usu passive
Five Polish banks are to be twinned with counterparts in Western Europe... be V-ed with n
The borough is twinned with Kasel in Germany. V-ed
5 adj Twin towns or cities are twinned with each other.
(BRIT) ADJ n
This led Zagreb's twin town, Mainz, to donate £70,000-worth of high-quality equipment.
in AM, use sister cities
identical twin →
conjoined twin ( conjoined twins plural ) Conjoined twins are twins who are born with their bodies joined. n-count
identical twin ( identical twins plural ) Identical twins are twins of the same sex who look exactly the same. n-count usu pl
Siamese twin ( Siamese twins plural ) Siamese twins are twins who are born with their bodies joined. n-count
twin bed ( twin beds plural ) Twin beds are two single beds in one bedroom. n-count usu pl
twin-bedded , twin bedded
A twin-bedded room, for example in a hotel, has two single beds.
(mainly BRIT) adj ADJ n