deed poll
noun /ˈdiːd pəʊl/
/ˈdiːd pəʊl/
[uncountable, singular] (British English)- a legal document signed by only one person, especially in order to change their name
单务契约，单边契据（由一方签立，尤为更改姓名） - Smith changed his name by deed poll to Jervis-Smith.
史密斯通过单边契据将自己的名字更改为杰维斯–史密斯。
词源late 16th cent.: so named because the parchment was “polled” or cut cleanly, not indented at the edges as in the case of a deed made by two parties. - Smith changed his name by deed poll to Jervis-Smith.