seconder

名词 seconder:

1. someone who endorses a motion or petition as a necessary preliminary to a discussion or vote

形容词 second:

1. coming next after the first in position in space or time or degree or magnitude
   同义词：second, 2nd, 2d
2. coming next after first
   同义词：second
3. a part or voice or instrument or orchestra section lower in pitch than or subordinate to the first
   同义词：second
4. having the second highest gear ratio
   同义词：second