Definition of: veteran

(vet′ər·ən, vet′rən) noun
1. One who is much experienced in any service, especially a soldier or an ex–soldier.
2. A member of the armed forces who has been in active service.
—adjective
1. Having had long experience or practice; old in service.
2. Belonging to or suggestive of a veteran.
3. Long continued: extending over a long period. [<MF <L veteranus <vetus, veteris old]