Meaning, the terms native and/or mother language are a way to conjure a transportation of a language from one culture and geography into another geography/culture.
There's a related question Why are Native American names translated? and my answer there can well be an answer to your question, too: I think, the names in the other languages like Greek or Arabic that have their meaning in those languages are standardized, for example 'Abdullah' meaning 'God's Servant' was and is given to millions of people, while the Native American names are unique and ...
I consider a "native speaker" to have grown up surrounded by speakers of the language in question, hence the difficulty in acquiring two native languages. I think having a first language that is different from your native language is generally something that happens mostly with second-generation (or 1.5-generation, like yourself) immigrants.
Many nations have a name for themselves, in their native language, that then gives rise to what they are called in foreign languages, or at least predates the ethnic group and its language.
The main difference is not the native language of the author, but the purpose of the dictionary. For example, Webster's dictionary and the OED are similar but still different given that the OED is more detailed and historically oriented: still, both subdivide words according to different senses (semantic nuances etc), and they give illustrative examples. Users are typically fluent in the ...
Apart from humans, which animal do linguists currently think has a communication system that is closest to being considered real language? "Language" meaning whatever linguists currently
Case in point, say two non-native speakers have a child, and decide to only speak the native language of the area they're in with the child, but are not native speakers of that language. The child, if only talking to the parents and other non-native speakers, would never become a native speaker.