heir by destinationn.Scots Law ‘the person who is entitled to succeed, failing the person to whom an estate is disponed’ (Bell Dict. Law Scotl.).
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1861 G. RossW. Bell's Dict. Law Scotl. (rev. ed.) (at cited word) The term heir does not mean merely the heir-at-law; it means also the heir by destination; nor does it mean the heir in heritage only; it is likewise applied to the person who succeeds to the moveable estate.