01 n. The relationship of a son or child to a parent, esp. to a father.
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1.
The relationship of a son or child to a parent, esp. to a father.“The relation of paternity and filiation.” — Sir M. Hale.
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2.
The assignment of a bastard child to some one as its father; affiliation.(Law)
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3.
Descent from, or as if from, a parent; relationship like that of a son; as, to determine the filiation of a language.
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4.
One that is derived from a parent or source; an offshoot; as, the filiations are from a common stock.