Definition of "Achi"

A language of Guatemala.  examples

(Philippines, Chinese Filipino, colloquial) respectful honorific used before a name for the eldest sister  examples

(Philippines, Chinese Filipino, colloquial, informal) respectful honorific used before a name for an elder sister: Sister  examples

(Philippines, Chinese Filipino, colloquial, informal) respectful honorific used before a name for a young female senior (usually within the Chinese Filipino community): Miss; Sister  examples