Band member

• Someone who plays a musical instrument (as a profession)
• One who plays without vocals
• Ancillary role of 2 Down
• Tuba player, e.g.
• Tuba player, e.g
• One just plays at work
• Helpful first violinist?

WordNet Word definitions in WordNet
n. someone who plays a musical instrument (as a profession) [syn: musician , player ]

The Collaborative International Dictionary Word definitions in The Collaborative International Dictionary
Instrumentalist \In`stru*men"tal*ist\, n. One who plays upon an instrument of music, as distinguished from a vocalist .