Definition of second mate in English:
Another term for second officer.
- Captain Austen and the second mate were on the bridge at the time of the stranding, which occurred at high tide.
- This was only to be expected, and it was the mate and second mates ' jobs to motivate them with threats and promises.
- Jack and Ash, my two best friends, now my first and second mates, helped me along the way.
Definition of second mate in:
- US English dictionary