deed poll
noun
in sing.
- English Law a legal deed made and executed by one party only, especially to formalize a change of a person's name【英格兰律】单方执行的契约, 单务契约：
he changed his name by deed poll.
他立了单务契约改名。
词源
late 16th cent.: so named because the parchment was 'polled' or cut even， not indented as in the case of a deed made by two parties.