(1) to change for the better,
(2) to put right, ou ainda
(3) to alter by adding.
Seu substantivo correspondente é amendment.
Emend significa to improve by editing (especially a text). Seu substantivo correspondente é emendation.
A palavra inglesa Emend é rara, e a maioria de nós nunca precisou usá-la porque ela não se encaixa fora dos contextos relacionados à escrita e edição.
Examples
El-Beshry said the committee was appointed to amend the constitution in a way that would help maintain the country’s sovereignty and promote democracy. [Sify]
The Norton Anthology editors emend the text to contain a comma after “merchants” rather than a colon. [Walter Pater via Project Gutenberg]
The bill would amend the state motorcyle helmet law to say that only people under 21 would be required to wear a helmet. [KEZI TV]
Second, all critics have agreed to condemn the digression in which Theobald advertised his ability to emend Greek texts. [Hugh G. Dick via Project Gutenberg]
