noun
In traditional Japanese grammar, 賓辞 refers to the grammatical object, corresponding to 目的語 in modern terminology.
See also: 目的語
「花を見る」の「花」は賓辞にあたる。
In 'hana o miru', 'hana' is the object (賓辞).
noun
In logic, 賓辞 denotes the predicate of a proposition, as opposed to the subject (主辞).
See also: 述語
「ソクラテスは人間である」という命題では、「人間である」が賓辞となる。
In the proposition 'Socrates is human', 'is human' is the predicate (賓辞).
述語 is the modern grammatical term for predicate; 賓辞 is used in logic and older grammar.
From 賓 (guest, secondary) + 辞 (word, expression), reflecting its role as a secondary element in a proposition or sentence.