Definition of pupillary substitution in English:
pupillary substitution
noun
(also substitution pupillary)
historical Law Scots Law Nomination of a substitute to take the place of someone who dies before inheriting, or succeeds as heir but then dies before attaining puberty.
Origin
Mid 17th century. After classical Latin substitūtiō pūpillāris; compare Spanish sustitución pupilar, French substitution pupillaire.
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