n.
- a man's short, close-fitting padded jacket, worn from the 14th to the 17th century.
- chiefly technical a pair of similar things, e.g. lines in a spectrum.
▸a pair of words of the same derivation but different meanings, for example fashion and faction.
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(doublets)
the same number on two dice thrown at once.
Etymology
ME: from OFr., ‘something folded’, from double ‘double’.