A supply of anything wasted or exhausted; a reinforcement.
A hired worker
A person enlisted for service in the army; a newly enlisted soldier.
A new adult or breeding-age member of a certain population.
To enroll or enlist new members or potential employees on behalf of an employer, organization, sports team, the military, etc.
To become an adult or breeding-age member of a population.
To prompt a protein, leucocyte. etc. to intervene in a given region of the body.
To supply with new men, as an army; to fill up or make up by enlistment; also, to muster
A person who is not good enough to be considered proficient but may be useful as a backup.
A person who plays second string. A person who is kept on a sports team as a backup in case a "first-string" player is unavailable.