first mate

US 
UK 
  • n.(商船的)大副
  • Web上坐第二把交椅的大副;枫味;初恋情人
Plural Form:first mates  
first mate
n.
1.
(商船的)大副the officer on a commercial ship just below the rank of captain or master

Sample Sentence

Definition:
Category:AllAll,OralOral,WrittenWritten,TitleTitle,TechnicalTechnical
Source:AllAll,DictionaryDictionary,WebWeb
Difficulty:AllAll,EasyEasy,MiddleMiddle,HardHard