noun
twin
twihn
noun
1
One of two children born to the same mother at the same time.
"The twins are identical and hard to tell apart."
2
Either of two things that are strikingly similar or closely matched.
"The two towers are twins, built to the same design."
verb
1
To form an official partnership between two places, especially towns in different countries.
"The town is twinned with a village in France."
adj
1
Consisting of two matching or paired items.
"We booked a twin room for the trip."
How to Use Twin
Learner’s notesIn plain EnglishOne of two siblings born together, or anything that closely matches another thing.
Common pairings
identical twins
twin brother
twinned with
Word Forms
twinned past tense, twins plural, Twins plural, twins singular
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Etymology
From Old English twinn ("double, two-fold"), from a Proto-Germanic root meaning "two each," ultimately from the ancient word for "two."