Where does this definition of first officer come from?
This entry for first officer is sourced from Main Dictionary, one of the dictionaries and corpora merged into Lughet.
Is first officer a noun, verb, or something else?
In this entry, first officer is tagged as noun.
Does first officer appear elsewhere on Lughet?
Yes — first officer appears under other sources or language pairs in Lughet's collection. See the list below.
What is Lughet?
Lughet is a free trilingual dictionary covering nearly five million entries across Uyghur, Chinese, and English, drawn from more than ten source dictionaries and corpora.