twin (EN)

noun, verb, adjective

noun “twin”

1. one of two children born at the same time to the same mother
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   My sister gave birth to twins last week, and both babies are healthy.
2. one of a pair of similar or identical things
   I found one glove, but its twin is missing.
3. a room in a hotel with two single beds
   We reserved a twin for our holiday, so we wouldn't have to share a bed.
4. (aviation) a plane with two engines
   The small twin flew low over the mountains.
5. (in crystallography) a crystal made up of two symmetrical parts
   The geologist examined the twin under a microscope to study its structure.

verb “twin”

1. to pair or link two things together, especially by formal agreement
   Our city was twinned with a town in Japan to promote cultural exchange.
2. to join two things closely together
   The play twins the theme of love with a lot of action.
3. (informal) to match or resemble closely, especially by wearing similar clothes
   They were twinning in matching jackets and jeans.
4. (of an animal) to give birth to twins
   The farmer was pleased that the ewe twinned this spring.

adjective “twin”

1. being one of a pair; consisting of two similar or identical things
   The hotel offers twin rooms with two separate beds.