veteran noun
1 sb who has served in the army, navy, etc.
ADJ. war | army, navy | retired | disabled, wounded | Vietnam, World War Two, etc.
PREP. ~ of a veteran of World War Two
2 sb with long experience of an activity, etc.
ADJ. seasoned He's the seasoned veteran, who has taken the children to the museum many times. | industry
VETERAN + NOUN campaigner, leader, politician
PREP. ~ of a veteran of numerous political campaigns
You can also check other dicts: veteran (English, 中文解释 ), wordnet sense, Collins Definition