1.
pair, couple, set of two
Two things that go together as a matching set.
対 refers to two things that form a matching pair or set. It's different from 二つ (two items) because it emphasizes that the items belong together.
Common collocations
Similar words
- ペア: pair (loanword, often for people)
- 組: set, pair (also for people/things working together)
- 双子: twins
Note: As a prefix, 対~ means 'versus' or 'against' (e.g., 対日本 = versus Japan).