Definition of seeders:
(n) :
(Internet, file sharing) A person connected to a peer-to-peer network who has a complete or partial copy of a given file and makes it available for downloading.
(n) :
(agriculture) A device used to plant seeds; a seed drill
(n) :
A person who seeds clouds in order to make it rain
(n) :
An implement used to remove the seeds from fruit etc.
(n) :
(computing) A process that seeds a random number generator.
(n) :
A stamp-type leatherworking tool predominantly used in floral designs to represent the seeds in the center of a flower.