1. first string - Noun
2. first string - Adjective
3. first string - Adjective Satellite
being a regular member of a team
of members of a team; not substitutes
Source: WordNetfirst-string
first-string players Source: Internet
After three years of development, Augustine demonstrated a nylon first string whose quality impressed guitarists, including Segovia, in addition to DuPont. Source: Internet
It’s safe to say that either Brown, a 2009 Wichita East High School and sophomore transfer from the University of Tennessee, or sophomore John Hubert will win the first-string running back position. Source: Internet
Shaw, facing OV’s first-string defense, went one-for-six for six yards and an interception. Source: Internet
In 1756, Baron Carl Josef Fürnberg employed Haydn at his country estate, Weinzierl, where the composer wrote his first string quartets. Source: Internet